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

		private static Hwnd.Borders FrameExtents (IntPtr window)
		{
			IntPtr actual_atom;
			int actual_format;
			IntPtr nitems;
			IntPtr bytes_after;
			IntPtr prop = IntPtr.Zero;
			Hwnd.Borders rect = new Hwnd.Borders ();

			XGetWindowProperty (DisplayHandle, window, _NET_FRAME_EXTENTS, IntPtr.Zero, new IntPtr (16), false, (IntPtr)Atom.XA_CARDINAL, out actual_atom, out actual_format, out nitems, out bytes_after, ref prop);
			if (prop != IntPtr.Zero) {
				if (nitems.ToInt32 () == 4) {
					rect.left = Marshal.ReadInt32 (prop, 0);
					rect.right = Marshal.ReadInt32 (prop, IntPtr.Size);
					rect.top = Marshal.ReadInt32 (prop, 2 * IntPtr.Size);
					rect.bottom = Marshal.ReadInt32 (prop, 3 * IntPtr.Size);
				}
				XFree (prop);
			}
			
			return rect;
		}