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

		private IntPtr XGetParent(IntPtr handle) {
			IntPtr	Root;
			IntPtr	Parent;
			IntPtr	Children;
			int	ChildCount;

			lock (XlibLock) {
				XQueryTree(DisplayHandle, handle, out Root, out Parent, out Children, out ChildCount);
			}

			if (Children!=IntPtr.Zero) {
				lock (XlibLock) {
					XFree(Children);
				}
			}
			return Parent;
		}