public static void AddToForm(Form form) { // Background transparency workaround: Draw USizeGrip control in parts. for (int q = 1; q <= 2; q++) { USizeGrip sizeGrip = new USizeGrip(); sizeGrip.KeepBottomRight = true; sizeGrip.Part = q; form.Controls.Add(sizeGrip); sizeGrip.BringToFront(); } }