/// <summary> implement ControlPaint.DrawFocusRectangle
/// </summary>
/// <param name="graphics"></param>
/// <param name="rectangle"></param>
internal static void DrawFocusRectangle(Graphics graphics, Rectangle rectangle)
{
IntPtr hdc = graphics.GetHdc();
RECT rc = new RECT();
rc.left = rectangle.Left;
rc.top = rectangle.Top;
rc.right = rectangle.Right;
rc.bottom = rectangle.Bottom;
NativeWindowCommon.DrawFocusRect(hdc, ref rc);
graphics.ReleaseHdc(hdc);
}
