/* Copyright (c) Cloud Software Group, Inc. * * Redistribution and use in source and binary forms, * with or without modification, are permitted provided * that the following conditions are met: * * * Redistributions of source code must retain the above * copyright notice, this list of conditions and the * following disclaimer. * * Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the * following disclaimer in the documentation and/or other * materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ using System.Windows.Forms; namespace XenAdmin.Controls { internal class FolderChangeDialogTreeView : VirtualTreeView { public bool expandOnDoubleClick = true; private bool blockExpansion; protected override void OnMouseDown(MouseEventArgs e) { if (e.Clicks > 1) blockExpansion = true; var hitTesInfo = HitTest(e.X, e.Y); if (hitTesInfo.Node == null) SelectedNode = null; base.OnMouseDown(e); } protected override void OnBeforeExpand(VirtualTreeViewCancelEventArgs e) { if (!expandOnDoubleClick && blockExpansion) { blockExpansion = false; e.Cancel = true; return; } base.OnBeforeExpand(e); } protected override void OnBeforeCollapse(VirtualTreeViewCancelEventArgs e) { if (!expandOnDoubleClick && blockExpansion) { blockExpansion = false; e.Cancel = true; return; } base.OnBeforeCollapse(e); } } }