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

		internal override void CreateCaret (IntPtr handle, int width, int height)
		{
			XGCValues	gc_values;
			Hwnd		hwnd;

			hwnd = Hwnd.ObjectFromHandle(handle);

			if (Caret.Hwnd != IntPtr.Zero) {
				DestroyCaret(Caret.Hwnd);
			}

			Caret.Hwnd = handle;
			Caret.Window = hwnd.client_window;
			Caret.Width = width;
			Caret.Height = height;
			Caret.Visible = false;
			Caret.On = false;

			gc_values = new XGCValues();
			gc_values.line_width = width;

			Caret.gc = XCreateGC(DisplayHandle, Caret.Window, new IntPtr ((int)GCFunction.GCLineWidth), ref gc_values);
			if (Caret.gc == IntPtr.Zero) {
				Caret.Hwnd = IntPtr.Zero;
				return;
			}

			XSetFunction(DisplayHandle, Caret.gc, GXFunction.GXinvert);
		}