System.Windows.Forms.Form.WmNcLButtonDown C# (CSharp) Method

		private void WmNcLButtonDown (ref Message m)
		{
			if (XplatUI.IsEnabled (Handle) && ActiveMenu != null) {
				ActiveMenu.OnMouseDown (this, new MouseEventArgs (FromParamToMouseButtons ((int)m.WParam.ToInt32 ()), mouse_clicks, Control.MousePosition.X, Control.MousePosition.Y, 0));
			}

			if (ActiveMaximizedMdiChild != null && ActiveMenu != null) {
				if (ActiveMaximizedMdiChild.HandleMenuMouseDown (ActiveMenu,
						LowOrder ((int)m.LParam.ToInt32 ()),
						HighOrder ((int)m.LParam.ToInt32 ()))) {
					// Don't let base process this message, otherwise we won't
					// get a WM_NCLBUTTONUP.
					return;
				}
			}
			base.WndProc (ref m);
		}