| BeginDrawRectangle(IReadWriteBitmapData, Color32, Rectangle, DrawingOptions, AsyncConfig) | Begins to draw a one-pixel wide rectangle with the specified color asynchronously. |
| BeginDrawRectangle(IReadWriteBitmapData, Color32, RectangleF, DrawingOptions, AsyncConfig) | Begins to draw a one-pixel wide rectangle with the specified color asynchronously. |
| BeginDrawRectangle(IReadWriteBitmapData, Pen, Rectangle, DrawingOptions, AsyncConfig) | Begins to draw a rectangle with the specified Pen asynchronously. |
| BeginDrawRectangle(IReadWriteBitmapData, Pen, RectangleF, DrawingOptions, AsyncConfig) | Begins to draw a rectangle with the specified Pen asynchronously. |