Pen pen = new Pen(Brushes.Black, 10); pen.StartLineCap = PenLineCap.Round; pen.EndLineCap = PenLineCap.Round;
Path path = new Path(); path.Stroke = new SolidColorBrush(Colors.Blue); path.StrokeThickness = 5; path.StrokeEndLineCap = PenLineCap.Round; path.StrokeStartLineCap = PenLineCap.Round;In this example, we are creating a path with a stroke of blue color and thickness of 5. We are setting the StrokeEndLineCap and StrokeStartLineCap properties of the path to PenLineCap.Round, which will create a circular cap at the end and start of the path. Package library: System.Windows.Media.