public static extern IntPtr SendMessage(IntPtr hWnd, Int32 msg, IntPtr wParam, ref TVITEM lParam);
public static extern IntPtr SendMessage(IntPtr hWnd, Int32 msg, IntPtr wParam, ref TVITEM lParam);
public static extern IntPtr SendMessage(IntPtr hWnd, Int32 msg, IntPtr wParam, ref TVITEM lParam);
public static extern IntPtr SendMessage(IntPtr hWnd, Int32 msg, IntPtr wParam, ref TVITEM lParam);