public UITextBox(int iX, int iY, int iWidth, int iHeight) : base(iX, iY)
        {
            focused = true;

            width  = iWidth;
            height = iHeight;

            textboxRect            = new mRectangle(iWidth, iHeight, new Color(205, 205, 205));
            textboxRect.DrawBorder = true;
            textboxRect.X          = x; textboxRect.Y = y;

            MonoPaint.RegisterFocusedButtonForTextInput(OnInput);
        }