public static void DrawRoundedRectangle(this ID2D1DeviceContext context, D2D1_ROUNDED_RECT roundedRect, ID2D1Brush brush, float strokeWidth, ID2D1StrokeStyle strokeStyle = null)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
if (brush == null)
{
throw new ArgumentNullException(nameof(brush));
}
context.DrawRoundedRectangle(ref roundedRect, brush, strokeWidth, strokeStyle);
}