/// <summary>
 /// Draws the outline of the specified rounded rectangle.
 /// </summary>
 /// <param name="roundedRect">The dimensions of the rounded rectangle to draw, in device-independent pixels. </param>
 /// <param name="brush">The <see cref="ID2D1Brush"/> used to paint the rounded rectangle's outline.  </param>
 /// <param name="strokeWidth">The width of the rounded rectangle's stroke. The stroke is centered on the rounded rectangle's outline. The default value is 1.0f.  </param>
 public void DrawRoundedRectangle(RoundedRectangle roundedRect, ID2D1Brush brush, float strokeWidth)
 {
     DrawRoundedRectangle(ref roundedRect, brush, strokeWidth, null);
 }
 /// <summary>
 /// Draws the outline of the specified rounded rectangle using the specified stroke style.
 /// </summary>
 /// <param name="roundedRect">The dimensions of the rounded rectangle to draw, in device-independent pixels.</param>
 /// <param name="brush">The brush used to paint the rounded rectangle's outline.</param>
 /// <param name="strokeWidth">The width of the rounded rectangle's stroke. The stroke is centered on the rounded rectangle's outline. The default value is 1.0f.</param>
 /// <param name="strokeStyle">The style of the rounded rectangle's stroke, or NULL to paint a solid stroke. The default value is NULL. </param>
 public void DrawRoundedRectangle(RoundedRectangle roundedRect, ID2D1Brush brush, float strokeWidth, ID2D1StrokeStyle strokeStyle)
 {
     DrawRoundedRectangle(ref roundedRect, brush, strokeWidth, strokeStyle);
 }
 /// <summary>
 /// Draws the outline of the specified rounded rectangle.
 /// </summary>
 /// <param name="roundedRect">The dimensions of the rounded rectangle to draw, in device-independent pixels. </param>
 /// <param name="brush">The <see cref="ID2D1Brush"/> used to paint the rounded rectangle's outline.  </param>
 public void DrawRoundedRectangle(RoundedRectangle roundedRect, ID2D1Brush brush)
 {
     DrawRoundedRectangle(ref roundedRect, brush, 1.0f, null);
 }