System.Windows.Forms.Control.DndDrop C# (CSharp) Method

		internal virtual void DndDrop (DragEventArgs e) {
			try {
				OnDragDrop (e);
			} catch (Exception exc) {
				Console.Error.WriteLine ("MWF: Exception while dropping:");
				Console.Error.WriteLine (exc);
			}
		}

            internal static uint Drop(IntPtr @this, IntPtr pDataObj, uint grfkeyState, IntPtr pt_x, IntPtr pt_y, IntPtr pdwEffect)
            {
                IntPtr window;

                window = Marshal.ReadIntPtr(@this, Marshal.SizeOf(typeof(IntPtr)));

                DragDropEventArgs.x = pt_x.ToInt32();
                DragDropEventArgs.y = pt_y.ToInt32();
                DragDropEventArgs.allowed_effect = (DragDropEffects)Marshal.ReadIntPtr(pdwEffect).ToInt32();
                DragDropEventArgs.current_effect = DragDropEventArgs.AllowedEffect;
                DragDropEventArgs.keystate       = (int)grfkeyState;

                Control control = Control.FromHandle(window);

                if (control != null)
                {
                    control.DndDrop(DragDropEventArgs);
                    return(S_FALSE);
                }

                Marshal.WriteInt32(pdwEffect, (int)DragDropEventArgs.Effect);

                return(S_OK);
            }