private void ToolStrip_ItemClick(object sender, ToolStripItemClickedEventArgs e)
{
ToolStripDropDownItem clickedItem = e.ClickedItem as ToolStripDropDownItem;
if (((clickedItem != null) && (clickedItem.DropDownItems.Count <= 0)) && (clickedItem.Tag is MenuItemInfo))
{
MenuItemInfo tag = (MenuItemInfo) clickedItem.Tag;
bool handled = false;
if (this.OnExecuteVerb != null)
{
IntPtr pszName = Marshal.AllocHGlobal(0x100);
try
{
this.ContextMenu.GetCommandString(tag.Info.wID - 1, GCS.VERBA, 0, pszName, 0x100);
ExecuteVerbEventArgs args = new ExecuteVerbEventArgs(Marshal.PtrToStringAnsi(pszName));
this.OnExecuteVerb(this, args);
handled = args.Handled;
}
catch (SystemException)
{
}
finally
{
Marshal.FreeHGlobal(pszName);
}
}
if (!handled)
{
ContextMenuStrip owner = sender as ContextMenuStrip;
if (owner == null)
{
for (ToolStripItem item2 = sender as ToolStripItem; (owner == null) && (item2 != null); item2 = item2.OwnerItem)
{
owner = item2.Owner as ContextMenuStrip;
}
}
Debug.Assert(owner != null);
owner.Closed -= new ToolStripDropDownClosedEventHandler(this.ContextMenuStrip_Closed);
owner.Hide();
try
{
CMINVOKECOMMANDINFOEX cminvokecommandinfoex;
cminvokecommandinfoex = new CMINVOKECOMMANDINFOEX {
cbSize = Marshal.SizeOf(cminvokecommandinfoex),
lpVerb = (IntPtr) (tag.Info.wID - 1),
lpVerbW = (IntPtr) (tag.Info.wID - 1)
};
if (!string.IsNullOrEmpty(this.ParentName))
{
cminvokecommandinfoex.lpDirectory = this.ParentName;
cminvokecommandinfoex.lpDirectoryW = this.ParentName;
}
cminvokecommandinfoex.fMask = ((CMIC.ASYNCOK | CMIC.PTINVOKE | CMIC.UNICODE) | (((Control.ModifierKeys & Keys.Control) > Keys.None) ? CMIC.CONTROL_DOWN : ((CMIC) 0))) | (((Control.ModifierKeys & Keys.Shift) > Keys.None) ? CMIC.SHIFT_DOWN : ((CMIC) 0));
cminvokecommandinfoex.ptInvoke = Cursor.Position;
cminvokecommandinfoex.nShow = SW.SW_SHOWNORMAL;
cminvokecommandinfoex.hwnd = this.Owner.Handle;
this.ContextMenu.InvokeCommand(ref cminvokecommandinfoex);
}
finally
{
this.ItemContainer.Dispose();
}
}
}
}
public static bool ExecuteVerb(IWin32Window owner, string verb, string parentName, IContextMenu contextMenu)
{
if (contextMenu == null)
{
return false;
}
CMINVOKECOMMANDINFOEX structure = new CMINVOKECOMMANDINFOEX();
try
{
structure.cbSize = Marshal.SizeOf(structure);
if (verb != null)
{
structure.lpVerb = Marshal.StringToHGlobalAnsi(verb);
structure.lpVerbW = Marshal.StringToHGlobalUni(verb);
}
if (!string.IsNullOrEmpty(parentName))
{
structure.lpDirectory = parentName;
structure.lpDirectoryW = parentName;
}
if (owner != null)
{
structure.hwnd = owner.Handle;
}
structure.fMask = (CMIC.UNICODE | (((Control.ModifierKeys & Keys.Control) > Keys.None) ? CMIC.CONTROL_DOWN : ((CMIC) 0))) | (((Control.ModifierKeys & Keys.Shift) > Keys.None) ? CMIC.SHIFT_DOWN : ((CMIC) 0));
structure.nShow = SW.SW_SHOWNORMAL;
contextMenu.InvokeCommand(ref structure);
Marshal.ReleaseComObject(contextMenu);
}
finally
{
Marshal.FreeHGlobal(structure.lpVerb);
Marshal.FreeHGlobal(structure.lpVerbW);
}
return true;
}