mirror of
https://github.com/xcp-ng/xenadmin.git
synced 2024-12-04 09:01:06 +01:00
769 lines
29 KiB
C#
769 lines
29 KiB
C#
/* Copyright (c) Citrix Systems, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms,
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* with or without modification, are permitted provided
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* that the following conditions are met:
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*
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* * Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the
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* following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the
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* following disclaimer in the documentation and/or other
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* materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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using System;
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using System.IO;
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using System.Reflection;
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using System.Runtime.ConstrainedExecution;
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using System.Runtime.InteropServices;
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using System.Text;
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using Microsoft.Win32.SafeHandles;
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namespace XenCenterLib
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{
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public static class Win32
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{
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[DllImport("kernel32.dll")]
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public static extern void SetLastError(uint dwErrCode);
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[DllImport("kernel32.dll", CharSet = CharSet.Auto, SetLastError = true)]
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public static extern IntPtr GetModuleHandle(string lpModuleName);
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/// From George Shepherd's Windows Forms FAQ:
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/// http://www.syncfusion.com/FAQ/WindowsForms/FAQ_c73c.aspx
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///
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/// uiFlags: 0 - Count of GDI objects
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/// uiFlags: 1 - Count of USER objects
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/// - Win32 GDI objects (pens, brushes, fonts, palettes, regions, device contexts, bitmap headers)
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/// - Win32 USER objects:
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/// - WIN32 resources (accelerator tables, bitmap resources, dialog box templates, font resources, menu resources, raw data resources, string table entries, message table entries, cursors/icons)
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/// - Other USER objects (windows, menus)
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///
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[DllImport("User32")]
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extern public static int GetGuiResources(IntPtr hProcess, int uiFlags);
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public static int GetGuiResourcesGDICount(IntPtr processHandle)
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{
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return GetGuiResources(processHandle, 0);
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}
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public static int GetGuiResourcesUserCount(IntPtr processHandle)
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{
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return GetGuiResources(processHandle, 1);
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}
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public const int TO_UNICODE_BUFFER_SIZE = 64;
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[DllImport("user32.dll")]
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public extern static int ToUnicode(uint wVirtKey, uint wScanCode, IntPtr lpKeyState,
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[Out, MarshalAs(UnmanagedType.LPWStr, SizeConst = TO_UNICODE_BUFFER_SIZE)] StringBuilder pwszBuff,
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int cchBuff, uint wFlags);
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[DllImport("kernel32.dll", SetLastError = true)]
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[return: MarshalAs(UnmanagedType.Bool)]
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public static extern bool FlushFileBuffers(Microsoft.Win32.SafeHandles.SafeFileHandle hFile);
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[DllImport("user32.dll")]
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public extern static bool GetKeyboardState(IntPtr lpKeyState);
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// So we can flash minimized windows in the taskbar to alert the user.
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// See http://pinvoke.net/default.aspx/user32.FlashWindowEx and
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// http://blogs.msdn.com/hippietim/archive/2006/03/28/563094.aspx
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[DllImport("user32.dll")]
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public static extern Int32 FlashWindowEx(ref FLASHWINFO pwfi);
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[StructLayout(LayoutKind.Sequential)]
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public struct FLASHWINFO
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{
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public UInt32 cbSize;
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public IntPtr hwnd;
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public UInt32 dwFlags;
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public UInt32 uCount;
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public UInt32 dwTimeout;
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}
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/// <summary>
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/// Stop flashing. The system restores the window to its original state.
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/// </summary>
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public const UInt32 FLASHW_STOP = 0;
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/// <summary>
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/// Flash the window caption.
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/// </summary>
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public const UInt32 FLASHW_CAPTION = 1;
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/// <summary>
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/// Flash the taskbar button.
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/// </summary>
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public const UInt32 FLASHW_TRAY = 2;
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/// <summary>
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/// Flash both the window caption and taskbar button = FLASHW_CAPTION | FLASHW_TRAY flags.
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/// </summary>
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public const UInt32 FLASHW_ALL = FLASHW_CAPTION | FLASHW_TRAY;
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/// <summary>
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/// Flash continuously, until the FLASHW_STOP flag is set.
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/// </summary>
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public const UInt32 FLASHW_TIMER = 4;
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/// <summary>
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/// Flash continuously until the window comes to the foreground.
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/// </summary>
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public const UInt32 FLASHW_TIMERNOFG = 12;
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/// <summary>
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/// Flash the taskbar button for the given window.
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/// </summary>
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public static void FlashTaskbar(IntPtr hwnd)
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{
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FLASHWINFO fwi = new FLASHWINFO();
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fwi.cbSize = (UInt32)Marshal.SizeOf(typeof(FLASHWINFO));
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fwi.dwFlags = FLASHW_TRAY;
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fwi.dwTimeout = 0; // The default, which is the caret blink rate
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fwi.uCount = 3;
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fwi.hwnd = hwnd;
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FlashWindowEx(ref fwi);
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}
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/// <summary>
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/// Stop the given window flashing.
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/// </summary>
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public static void StopFlashing(IntPtr hwnd)
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{
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FLASHWINFO fwi = new FLASHWINFO();
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fwi.cbSize = (UInt32)Marshal.SizeOf(typeof(FLASHWINFO));
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fwi.dwFlags = FLASHW_STOP;
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fwi.dwTimeout = 0;
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fwi.uCount = 0;
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fwi.hwnd = hwnd;
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FlashWindowEx(ref fwi);
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}
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[DllImport("user32.dll")]
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public extern static IntPtr GetClipboardViewer();
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[DllImport("user32.dll", SetLastError = true)]
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public extern static IntPtr SetClipboardViewer(IntPtr hWnd);
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[DllImport("user32.dll", SetLastError = true)]
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public extern static bool ChangeClipboardChain(IntPtr hWnd, IntPtr hWndNext);
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/// <summary>
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/// There is not enough space on the disk. See winerror.h.
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/// </summary>
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public const UInt32 ERROR_DISK_FULL = 112;
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public const int CBN_CLOSEUP = 8;
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public const int EN_KILLFOCUS = 512;
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public const int WM_DESTROY = 2;
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public const int WM_ACTIVATE = 6;
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/// <summary>
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/// Sent when a control gains focus: see VNCGraphicsClient.
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/// </summary>
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public const int WM_SETFOCUS = 7;
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public const int WM_GETTEXT = 13;
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public const int WM_GETTEXTLENGTH = 14;
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public const int WM_PAINT = 15;
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/// <summary>
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/// Prevent Redraw background on paint
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/// </summary>
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public const int WM_ERASEBKGND = 20;
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public const int WM_ACTIVATEAPP = 28;
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public const int WM_SETCURSOR = 32;
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public const int WM_MOUSEACTIVATE = 33;
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public const int WM_WINDOWPOSCHANGING = 70;
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public const int WM_WINDOWPOSCHANGED = 71;
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public const int WM_NOTIFY = 78;
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public const int WM_NCHITTEST = 132;
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public const int WM_NCPAINT = 133;
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public const int WM_NCACTIVATE = 134;
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public const int WM_TIMER = 275;
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public const int WM_VSCROLL = 277;
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public const int WM_KEYDOWN = 0x100;
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public const int WM_KEYUP = 0x101;
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// Mouse Hooks
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public const int HC_ACTION = 0;
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public const int WH_MOUSE_LL = 14;
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public const int WM_MOUSEMOVE = 0x200;
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public const int WM_LBUTTONDOWN = 0x201;
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public const int WM_LBUTTONUP = 0x202;
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public const int WM_LBUTTONDBLCLK = 0x203;
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public const int WM_RBUTTONDOWN = 0x204;
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public const int WM_RBUTTONUP = 0x205;
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public const int WM_RBUTTONDBLCLK = 0x206;
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public const int WM_MBUTTONDOWN = 0x207;
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public const int WM_MBUTTONUP = 0x208;
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public const int WM_MBUTTONDBLCLK = 0x209;
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public const int WM_MOUSEWHEEL = 0x20A;
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public const int WM_MOUSEHWHEEL = 0x20E;
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public const int WM_PARENTNOTIFY = 0x210;
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public const int WM_INITDIALOG = 0x110;
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public const int WM_SETFONT = 0x0030;
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public const int WM_GETFONT = 0x0031;
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public const int WM_SETTEXT = 0x000c;
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public const int WM_DRAWCLIPBOARD = 776;
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public const int WM_CHANGECBCHAIN = 781;
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public const int WM_HSCROLL = 0x114;
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public const int OCM_DRAWITEM = 8235;
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public const int OCM_NOTIFY = 8270;
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public const int OFN_ENABLEHOOK = 0x00000020;
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public const int OFN_EXPLORER = 0x00080000;
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public const int OFN_FILEMUSTEXIST = 0x00001000;
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public const int OFN_HIDEREADONLY = 0x00000004;
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public const int OFN_CREATEPROMPT = 0x00002000;
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public const int OFN_NOTESTFILECREATE = 0x00010000;
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public const int OFN_OVERWRITEPROMPT = 0x00000002;
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public const int OFN_PATHMUSTEXIST = 0x00000800;
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public const int OFN_SHOWHELP = 0x00000010;
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public const int SWP_NOSIZE = 0x0001;
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public const int SWP_NOMOVE = 0x0002;
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public const int SWP_NOZORDER = 0x0004;
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public const int BS_AUTOCHECKBOX = 0x0003;
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public const int BS_PUSHBUTTON = 0x0000;
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public const int BM_SETCHECK = 0x00f1;
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public const int BM_GETCHECK = 0x00f0;
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public const int BST_CHECKED = 0x0001;
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public const int BST_UNCHECKED = 0x0000;
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public const uint WS_VISIBLE = 0x10000000;
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public const uint WS_CHILD = 0x40000000;
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public const uint WS_TABSTOP = 0x00010000;
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public const int CDN_FILEOK = -606;
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public const int CDN_HELP = -605;
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[DllImport("user32.dll", CharSet = CharSet.Auto)]
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public static extern IntPtr GetDlgItem(IntPtr hDlg, int nIDDlgItem);
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[DllImport("user32.dll", CharSet = CharSet.Auto)]
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public static extern IntPtr CreateWindowEx(uint dwExStyle, string lpClassName, string lpWindowName, uint dwStyle, int x, int y, int nWidth, int nHeight, IntPtr hWndParent, IntPtr hMenu, IntPtr hInstance, IntPtr lpParam);
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[DllImport("user32.dll")]
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public static extern bool SetWindowPos(IntPtr hWnd, IntPtr hWndInsertAfter, int X, int Y, int cx, int cy, uint uFlags);
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public struct RECT
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{
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public int Left;
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public int Top;
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public int Right;
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public int Bottom;
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}
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public struct POINT
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{
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public int X;
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public int Y;
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}
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[DllImport("user32.dll")]
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public static extern bool ScreenToClient(IntPtr hWnd, ref POINT lpPoint);
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[DllImport("user32.dll")]
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public static extern bool GetWindowRect(IntPtr hWnd, ref RECT lpRect);
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[DllImport("user32.dll")]
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public static extern IntPtr GetParent(IntPtr hWnd);
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[DllImport("user32.dll", CharSet = CharSet.Auto)]
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public static extern bool SetWindowText(int hWnd, string lpString);
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[DllImport("user32.dll")]
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public static extern bool DestroyWindow(IntPtr hwnd);
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[DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = false)]
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public static extern IntPtr SendMessage(IntPtr hWnd, int Msg, IntPtr wParam, IntPtr lParam);
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[DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = false)]
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public static extern IntPtr SendMessage(IntPtr hWnd, int Msg, IntPtr wParam, string lParam);
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[DllImport("user32.dll")]
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public static extern IntPtr SetFocus(IntPtr hwnd);
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/// <summary>
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/// Get the _HResult field from the given exception.
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/// </summary>
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public static int GetHResult(Exception exn)
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{
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/* Since there are no useful subclasses of IOException
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* (e.g. DiskFullException), in order to detect a disk full error we have to extract the
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* (hidden) HRESULT code from the exception using reflection and manually compare the
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* error code bits with the error as defined in winerror.h.
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*/
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try
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{
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int hresult = (int)exn.GetType().GetField("_HResult",
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BindingFlags.Instance | BindingFlags.NonPublic)
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.GetValue(exn);
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// The error code is stored in just the lower 16 bits
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return hresult & 0xFFFF;
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}
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catch
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{
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return 0;
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}
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}
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// Thank you, pinvoke.net!
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// http://www.pinvoke.net/default.aspx/kernel32/FormatMessage.html
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[DllImport("Kernel32.dll", SetLastError = true)]
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static extern uint FormatMessage(uint dwFlags, IntPtr lpSource,
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uint dwMessageId, uint dwLanguageId, ref IntPtr lpBuffer,
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uint nSize, IntPtr pArguments);
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[DllImport("kernel32.dll", SetLastError = true)]
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static extern IntPtr LocalFree(IntPtr hMem);
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const uint FORMAT_MESSAGE_ALLOCATE_BUFFER = 0x00000100;
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const uint FORMAT_MESSAGE_IGNORE_INSERTS = 0x00000200;
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const uint FORMAT_MESSAGE_FROM_SYSTEM = 0x00001000;
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public static string GetMessageString(uint message)
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{
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IntPtr lpMsgBuf = IntPtr.Zero;
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uint dwChars = FormatMessage(
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FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
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IntPtr.Zero,
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message,
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0, // Default language
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ref lpMsgBuf,
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0,
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IntPtr.Zero);
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if (dwChars == 0)
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{
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return "";
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}
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string sRet = Marshal.PtrToStringAnsi(lpMsgBuf);
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lpMsgBuf = LocalFree(lpMsgBuf);
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return sRet;
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}
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public static string GetWindowsMessageName(int msg)
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{
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Type t = typeof(Win32);
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foreach (FieldInfo f in t.GetFields())
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{
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object i = f.GetValue(null);
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if (i is Int32 && ((Int32)i) == msg)
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{
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return f.Name;
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}
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}
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return msg.ToString();
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}
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public delegate bool EnumUILanguagesProc(string lpUILanguageString, IntPtr lParam);
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[DllImport("kernel32.dll")]
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public static extern bool EnumUILanguages(EnumUILanguagesProc pUILanguageEnumProc,
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uint dwFlags, IntPtr lParam);
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#region Window scrolling functions
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[StructLayout(LayoutKind.Sequential)]
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public struct ScrollInfo
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{
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public uint cbSize;
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public uint fMask;
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public int nMin;
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public int nMax;
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public uint nPage;
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public int nPos;
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public int nTrackPos;
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}
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public enum ScrollInfoMask
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{
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SIF_RANGE = 0x1,
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SIF_PAGE = 0x2,
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SIF_POS = 0x4,
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SIF_DISABLENOSCROLL = 0x8,
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SIF_TRACKPOS = 0x10,
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SIF_ALL = SIF_RANGE + SIF_PAGE + SIF_POS + SIF_TRACKPOS
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}
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public enum ScrollBarCommands
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{
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SB_LINEUP = 0,
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SB_LINELEFT = 0,
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SB_LINEDOWN = 1,
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SB_LINERIGHT = 1,
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SB_PAGEUP = 2,
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SB_PAGELEFT = 2,
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SB_PAGEDOWN = 3,
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SB_PAGERIGHT = 3,
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SB_THUMBPOSITION = 4,
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SB_THUMBTRACK = 5,
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SB_TOP = 6,
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SB_LEFT = 6,
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SB_BOTTOM = 7,
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SB_RIGHT = 7,
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SB_ENDSCROLL = 8
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}
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public enum ScrollBarConstants
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{
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/// <summary>
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/// The horizontal scroll bar of the specified window
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/// </summary>
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SB_HORZ = 0,
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/// <summary>
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/// The vertical scroll bar of the specified window
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/// </summary>
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SB_VERT = 1,
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/// <summary>
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/// A scroll bar control
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/// </summary>
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SB_CTL = 2,
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/// <summary>
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/// The horizontal and vertical scroll bars of the specified window
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/// </summary>
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SB_BOTH = 3
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}
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public enum ScrollState
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{
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AutoScrolling = 0x0001,
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HScrollVisible = 0x0002,
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VScrollVisible = 0x0004,
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UserHasScrolled = 0x0008,
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FullDrag = 0x0010
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}
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/// <summary>
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/// See http://msdn2.microsoft.com/en-us/library/e14hhbe6(VS.80).aspx
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/// </summary>
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public const int SB_THUMBTRACK = 5;
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/// <summary>
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/// See http://msdn2.microsoft.com/en-us/library/bb787583.aspx and
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/// http://pinvoke.net/default.aspx/user32/GetScrollInfo.html
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/// </summary>
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[DllImport("user32.dll")]
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[return: MarshalAs(UnmanagedType.Bool)]
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public static extern bool GetScrollInfo(IntPtr hWnd, int n, ref ScrollInfo lpScrollInfo);
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[DllImport("user32.dll")]
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public static extern int SetScrollInfo(IntPtr hwnd, int fnBar, [In] ref ScrollInfo lpsi, bool fRedraw);
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#endregion
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[DllImport("user32.dll", SetLastError = true)]
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public static extern IntPtr FindWindow(string lpClassName, string lpWindowName);
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[return: MarshalAs(UnmanagedType.Bool)]
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[DllImport("user32.dll", SetLastError = true)]
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public static extern bool PostMessage(IntPtr hWnd, uint Msg, IntPtr wParam, IntPtr lParam);
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|
|
#region Disk space functions
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/// <summary>
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/// Will return null if the disk parameters could not be determined.
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/// </summary>
|
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/// <param name="path">An absolute path</param>
|
|
/// <exception cref="Exception">May be thrown</exception>>
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|
public static DiskSpaceInfo GetDiskSpaceInfo(string path)
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|
{
|
|
string DriveLetter = Path.GetPathRoot(path).TrimEnd('\\');
|
|
var o = new System.Management.ManagementObject($"Win32_LogicalDisk.DeviceID=\"{DriveLetter}\"");
|
|
string fsType = o.Properties["FileSystem"].Value.ToString();
|
|
bool isFAT = (fsType == "FAT" || fsType == "FAT32");
|
|
UInt64 freeBytes = UInt64.Parse(o.Properties["FreeSpace"].Value.ToString());
|
|
UInt64 totalBytes = UInt64.Parse(o.Properties["Size"].Value.ToString());
|
|
return new DiskSpaceInfo(freeBytes, totalBytes, isFAT);
|
|
}
|
|
|
|
public class DiskSpaceInfo
|
|
{
|
|
public readonly UInt64 FreeBytesAvailable;
|
|
public readonly UInt64 TotalBytes;
|
|
public readonly bool IsFAT;
|
|
|
|
public DiskSpaceInfo(UInt64 freeBytesAvailable, UInt64 totalBytes, bool isFAT)
|
|
{
|
|
FreeBytesAvailable = freeBytesAvailable;
|
|
TotalBytes = totalBytes;
|
|
IsFAT = isFAT;
|
|
}
|
|
}
|
|
|
|
public const int CP_NOCLOSE_BUTTON = 0x200;
|
|
|
|
public const int GWL_WNDPROC = -4;
|
|
|
|
public delegate IntPtr WndProcDelegate(IntPtr hWnd, uint msg, IntPtr wParam, IntPtr lParam);
|
|
|
|
[DllImport("user32.dll", EntryPoint = "GetWindowLong")]
|
|
public static extern IntPtr GetWindowLong(IntPtr hWnd, int nIndex);
|
|
|
|
[DllImport("user32.dll")]
|
|
public static extern int SetWindowLong(IntPtr hWnd, int nIndex, IntPtr newWndProc);
|
|
|
|
[DllImport("user32.dll")]
|
|
public static extern IntPtr CallWindowProc(IntPtr lpPrevWndFunc, IntPtr hWnd, uint Msg, IntPtr wParam, IntPtr lParam);
|
|
|
|
public const int LB_ITEMFROMPOINT = 425;
|
|
|
|
[DllImport("user32.dll")]
|
|
public static extern bool GetClientRect(IntPtr hWnd, out RECT lpRect);
|
|
|
|
#endregion
|
|
|
|
[DllImport("user32.dll")]
|
|
public static extern IntPtr GetWindowDC(IntPtr hwnd);
|
|
[DllImport("user32.dll")]
|
|
public static extern int ReleaseDC(IntPtr hwnd, IntPtr hdc);
|
|
|
|
// pinvoke.net
|
|
[DllImport("psapi.dll")]
|
|
public static extern uint GetModuleFileNameEx(IntPtr hProcess, IntPtr hModule, [Out] StringBuilder lpBaseName, [In] [MarshalAs(UnmanagedType.U4)] int nSize);
|
|
|
|
/*
|
|
* ToolHelpHandle and related methods are based upon
|
|
* http://blogs.msdn.com/jasonz/archive/2007/05/11/code-sample-is-your-process-using-the-silverlight-clr.aspx
|
|
* and http://www.csharpfriends.com/Forums/ShowPost.aspx?PostID=27395.
|
|
*/
|
|
|
|
public class ToolHelpHandle : SafeHandleZeroOrMinusOneIsInvalid
|
|
{
|
|
private ToolHelpHandle() : base(true)
|
|
{
|
|
}
|
|
|
|
[ReliabilityContract(Consistency.WillNotCorruptState, Cer.MayFail)]
|
|
override protected bool ReleaseHandle()
|
|
{
|
|
return CloseHandle(handle);
|
|
}
|
|
}
|
|
|
|
[DllImport("kernel32.dll", SetLastError = true)]
|
|
static public extern bool CloseHandle(IntPtr hHandle);
|
|
|
|
[DllImport("kernel32.dll")]
|
|
static public extern bool Process32First(ToolHelpHandle hSnapshot, ref PROCESSENTRY32 lppe);
|
|
|
|
[DllImport("kernel32.dll")]
|
|
static public extern bool Process32Next(ToolHelpHandle hSnapshot, ref PROCESSENTRY32 lppe);
|
|
|
|
[DllImport("kernel32.dll", SetLastError = true)]
|
|
static public extern ToolHelpHandle CreateToolhelp32Snapshot(SnapshotFlags dwFlags, uint th32ProcessID);
|
|
|
|
[Flags]
|
|
public enum SnapshotFlags : uint
|
|
{
|
|
HeapList = 0x00000001,
|
|
Process = 0x00000002,
|
|
Thread = 0x00000004,
|
|
Module = 0x00000008,
|
|
Module32 = 0x00000010,
|
|
Inherit = 0x80000000,
|
|
All = 0x0000001F
|
|
}
|
|
|
|
[StructLayoutAttribute(LayoutKind.Sequential)]
|
|
public struct PROCESSENTRY32
|
|
{
|
|
public uint dwSize;
|
|
public uint cntUsage;
|
|
public uint th32ProcessID;
|
|
public IntPtr th32DefaultHeapID;
|
|
public uint th32ModuleID;
|
|
public uint cntThreads;
|
|
public uint th32ParentProcessID;
|
|
public int pcPriClassBase;
|
|
public uint dwFlags;
|
|
|
|
[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 260)]
|
|
public string szExeFile;
|
|
}
|
|
|
|
[Flags]
|
|
public enum TOKEN_ACCESS : uint
|
|
{
|
|
TOKEN_QUERY = 0x0008
|
|
};
|
|
|
|
[DllImport("advapi32.dll", SetLastError = true)]
|
|
[return: MarshalAs(UnmanagedType.Bool)]
|
|
public static extern bool OpenProcessToken(IntPtr ProcessHandle, TOKEN_ACCESS DesiredAccess, out IntPtr TokenHandle);
|
|
|
|
[DllImport("kernel32.dll", SetLastError = true)]
|
|
public extern static bool QueryPerformanceCounter(out long x);
|
|
[DllImport("kernel32.dll", SetLastError = true)]
|
|
public extern static bool QueryPerformanceFrequency(out long x);
|
|
|
|
public delegate IntPtr OFNHookProcDelegate(IntPtr hdlg, int msg, IntPtr wParam, IntPtr lParam);
|
|
|
|
[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto)]
|
|
public struct OPENFILENAME
|
|
{
|
|
public int lStructSize;
|
|
public IntPtr hwndOwner;
|
|
public int hInstance;
|
|
[MarshalAs(UnmanagedType.LPTStr)]
|
|
public string lpstrFilter;
|
|
[MarshalAs(UnmanagedType.LPTStr)]
|
|
public string lpstrCustomFilter;
|
|
public int nMaxCustFilter;
|
|
public int nFilterIndex;
|
|
[MarshalAs(UnmanagedType.LPTStr)]
|
|
public string lpstrFile;
|
|
public int nMaxFile;
|
|
[MarshalAs(UnmanagedType.LPTStr)]
|
|
public string lpstrFileTitle;
|
|
public int nMaxFileTitle;
|
|
[MarshalAs(UnmanagedType.LPTStr)]
|
|
public string lpstrInitialDir;
|
|
[MarshalAs(UnmanagedType.LPTStr)]
|
|
public string lpstrTitle;
|
|
public int Flags;
|
|
public short nFileOffset;
|
|
public short nFileExtension;
|
|
[MarshalAs(UnmanagedType.LPTStr)]
|
|
public string lpstrDefExt;
|
|
public int lCustData;
|
|
public OFNHookProcDelegate lpfnHook;
|
|
[MarshalAs(UnmanagedType.LPTStr)]
|
|
public string lpTemplateName;
|
|
//only if on nt 5.0 or higher
|
|
public int pvReserved;
|
|
public int dwReserved;
|
|
public int FlagsEx;
|
|
}
|
|
|
|
[DllImport("Comdlg32.dll", CharSet = CharSet.Auto, SetLastError = true)]
|
|
public static extern bool GetSaveFileName(ref OPENFILENAME lpofn);
|
|
|
|
[DllImport("Comdlg32.dll")]
|
|
public static extern int CommDlgExtendedError();
|
|
|
|
/// <summary>
|
|
/// Extended message header for WM_NOTIFY
|
|
/// </summary>
|
|
[StructLayout(LayoutKind.Sequential)]
|
|
public struct NMHEADER
|
|
{
|
|
public NMHDR hdr;
|
|
public int iItem;
|
|
public int iButton;
|
|
public IntPtr pitem;
|
|
}
|
|
|
|
/// <summary>
|
|
/// message header for WM_NOTIFY
|
|
/// </summary>
|
|
[StructLayout(LayoutKind.Sequential)]
|
|
public struct NMHDR
|
|
{
|
|
public IntPtr HwndFrom;
|
|
public IntPtr IdFrom;
|
|
public int code;
|
|
}
|
|
|
|
[StructLayout(LayoutKind.Sequential)]
|
|
public struct NMUPDOWN
|
|
{
|
|
public NMHDR hdr;
|
|
public int pos;
|
|
public int delta;
|
|
}
|
|
|
|
public const int S_OK = unchecked((int)0x00000000);
|
|
public const int E_ACCESSDENIED = unchecked((int)0x80070005);
|
|
public const int INET_E_DEFAULT_ACTION = unchecked((int)0x800C0011);
|
|
|
|
[ComImport, Guid("6d5140c1-7436-11ce-8034-00aa006009fa"),
|
|
InterfaceType(ComInterfaceType.InterfaceIsIUnknown),
|
|
ComVisible(false)]
|
|
public interface IServiceProvider
|
|
{
|
|
[return: MarshalAs(UnmanagedType.I4)]
|
|
[PreserveSig]
|
|
int QueryService(ref Guid guidService, ref Guid riid, out IntPtr ppvObject);
|
|
}
|
|
|
|
private const string _IID_IAuthenticate = "79eac9d0-baf9-11ce-8c82-00aa004ba90b";
|
|
public static readonly Guid IID_IAuthenticate = new Guid(_IID_IAuthenticate);
|
|
|
|
[ComImport, Guid(_IID_IAuthenticate),
|
|
InterfaceType(ComInterfaceType.InterfaceIsIUnknown),
|
|
ComVisible(false)]
|
|
public interface IAuthenticate
|
|
{
|
|
[return: MarshalAs(UnmanagedType.I4)]
|
|
[PreserveSig]
|
|
int Authenticate(ref IntPtr phwnd, ref IntPtr pszUsername, ref IntPtr pszPassword);
|
|
}
|
|
|
|
|
|
#region Shell32.dll
|
|
|
|
/// <param name="pszPath">Note the API uses CoTaskMemAlloc</param>
|
|
[DllImport("shell32.dll")]
|
|
private static extern int SHGetKnownFolderPath([MarshalAs(UnmanagedType.LPStruct)] Guid rfid, uint dwFlags, IntPtr hToken, out IntPtr pszPath);
|
|
|
|
/// <summary>
|
|
/// Gets the full path for special folders that are not covered by the Environment.SpecialFolder enum
|
|
/// </summary>
|
|
/// <param name="folder">The Guid of the folder in question (look it up in the properties of class KnownFolders)</param>
|
|
/// <returns>The full path to the special folder path or string.Empty if we cannot retrieve it</returns>
|
|
public static string GetKnownFolderPath(Guid folder)
|
|
{
|
|
IntPtr pPath = IntPtr.Zero;
|
|
try
|
|
{
|
|
if (SHGetKnownFolderPath(folder, 0, IntPtr.Zero, out pPath) == 0)
|
|
return Marshal.PtrToStringUni(pPath);
|
|
}
|
|
finally
|
|
{
|
|
if (pPath != IntPtr.Zero)
|
|
Marshal.FreeCoTaskMem(pPath);
|
|
}
|
|
|
|
return string.Empty;
|
|
}
|
|
|
|
/// <summary>
|
|
/// There are many known folders, add those needed as necessary.
|
|
/// Uuids listed at http://www.pinvoke.net/default.aspx/shell32.SHGetKnownFolderPath
|
|
/// </summary>
|
|
public static class KnownFolders
|
|
{
|
|
public static readonly Guid Downloads = Guid.Parse("374DE290-123F-4565-9164-39C4925E467B");
|
|
}
|
|
|
|
|
|
#endregion
|
|
}
|
|
}
|