C# .NET API to apply the rounded corners to a rectangle, better support for CDR & DICOM format processing, Contrast & Gamma support for GIF multi frame image....new Size( 100 , 100 )); Pen pen = new Pen(Color.Red, 10 ); graphics...graphics.DrawRectangle(pen, 10 , 10 , 80 , 80 ); pen.LineJoin = LineJoin...