private void ShellTreeView_KeyDown(object sender, KeyEventArgs e) {
if ((Control.ModifierKeys & Keys.Control) == Keys.Control) {
switch (e.KeyCode) {
case Keys.C:
this.CopySelectedFiles();
break;
case Keys.V:
this.PasteAvailableFiles();
break;
case Keys.X:
this.CutSelectedFiles();
break;
}
} else if (e.KeyCode == Keys.F2) {
this.RenameSelectedNode();
} else if (e.KeyCode == Keys.F5) {
this.RefreshContents();
} else if (e.KeyCode == Keys.Escape) {
var item = new TVITEMW() { mask = TVIF.TVIF_STATE, stateMask = TVIS.TVIS_CUT, state = 0, hItem = this.cuttedNode.Handle };
User32.SendMessage(this.ShellTreeView.Handle, MSG.TVM_SETITEMW, 0, ref item);
Clipboard.Clear();
}
}
/// <summary>Cuts the currently selected items (signals the UI and saves items into the clipboard)</summary>
private void CutSelectedFiles() {
var item = new TVITEMW() {
mask = TVIF.TVIF_STATE,
stateMask = TVIS.TVIS_CUT,
state = TVIS.TVIS_CUT,
hItem = this.ShellTreeView.SelectedNode.Handle,
};
User32.SendMessage(this.ShellTreeView.Handle, MSG.TVM_SETITEMW, 0, ref item);
this.cuttedNode = this.ShellTreeView.SelectedNode;
var selectedItems = new[] { this.ShellTreeView.SelectedNode.Tag as IListItemEx };
var ddataObject = new F.DataObject();
// Copy or Cut operation (5 = copy; 2 = cut)
ddataObject.SetData("Preferred DropEffect", true, new MemoryStream(new byte[] { 2, 0, 0, 0 }));
ddataObject.SetData("Shell IDList Array", true, selectedItems.CreateShellIDList());
Clipboard.SetDataObject(ddataObject, true);
}
public static extern int SendMessage(IntPtr hWnd, MSG Msg,
int wParam, ref TVITEMW lParam);
private void SetNodeImage(IntPtr node, IntPtr pidl, IntPtr m_TreeViewHandle, Boolean isOverlayed) {
try {
var itemInfo = new TVITEMW();
// We need to set the images for the item by sending a
// TVM_SETITEMW message, as we need to set the overlay images,
// and the .Net TreeView API does not support overlays.
itemInfo.mask = TVIF.TVIF_IMAGE | TVIF.TVIF_SELECTEDIMAGE | TVIF.TVIF_STATE;
itemInfo.hItem = node;
itemInfo.iImage = ShellItem.GetSystemImageListIndex(pidl, ShellIconType.SmallIcon, ShellIconFlags.OverlayIndex);
if (isOverlayed) {
itemInfo.state = (TVIS)(itemInfo.iImage >> 16);
itemInfo.stateMask = TVIS.TVIS_OVERLAYMASK;
}
itemInfo.iSelectedImage = ShellItem.GetSystemImageListIndex(pidl, ShellIconType.SmallIcon, ShellIconFlags.OpenIcon);
this.UpdatedImages.Add(node);
User32.SendMessage(m_TreeViewHandle, MSG.TVM_SETITEMW, 0, ref itemInfo);
} catch (Exception) {
}
}
public static extern int SendMessage(IntPtr hWnd, MSG Msg, int wParam, ref TVITEMW lParam);
