System.Windows.Forms.XplatUIX11.SetWindowPos C# (CSharp) Method

		internal override void SetWindowPos(IntPtr handle, int x, int y, int width, int height) {
			Hwnd		hwnd;

			hwnd = Hwnd.ObjectFromHandle(handle);

			if (hwnd == null) {
				return;
			}

			// Win32 automatically changes negative width/height to 0.
			if (width < 0)
				width = 0;
			if (height < 0)
				height = 0;
				
			// X requires a sanity check for width & height; otherwise it dies
			if (hwnd.zero_sized && width > 0 && height > 0) {
				if (hwnd.visible) {
					MapWindow(hwnd, WindowType.Whole);
				}
				hwnd.zero_sized = false;
			}

			if ((width < 1) || (height < 1)) {
				hwnd.zero_sized = true;
				UnmapWindow(hwnd, WindowType.Whole);
			}

			// Save a server roundtrip (and prevent a feedback loop)
			if ((hwnd.x == x) && (hwnd.y == y) && 
				(hwnd.width == width) && (hwnd.height == height)) {
				return;
			}

			if (!hwnd.zero_sized) {
				//Hack?
				hwnd.x = x;
				hwnd.y = y;
				hwnd.width = width;
				hwnd.height = height;
				SendMessage(hwnd.client_window, Msg.WM_WINDOWPOSCHANGED, IntPtr.Zero, IntPtr.Zero);

				if (hwnd.fixed_size) {
					SetWindowMinMax(handle, Rectangle.Empty, new Size(width, height), new Size(width, height));
				}

				lock (XlibLock) {
					Control ctrl = Control.FromHandle (handle);
					Size TranslatedSize = TranslateWindowSizeToXWindowSize (ctrl.GetCreateParams (), new Size (width, height));
					MoveResizeWindow (DisplayHandle, hwnd.whole_window, x, y, TranslatedSize.Width, TranslatedSize.Height);
					PerformNCCalc(hwnd);
				}
			}

			// Update our position/size immediately, so
			// that future calls to SetWindowPos aren't
			// kept from calling XMoveResizeWindow (by the
			// "Save a server roundtrip" block above).
			hwnd.x = x;
			hwnd.y = y;
			hwnd.width = width;
			hwnd.height = height;
			hwnd.ClientRect = Rectangle.Empty;
		}