GraphicsPath.AddLines Method (PointF)
Appends a series of connected line segments to the end of this GraphicsPath.
Assembly: System.Drawing (in System.Drawing.dll)
If there are previous lines or curves in the figure, a line is added to connect the endpoint of the previous segment the starting point of the line. The points parameter specifies an array of endpoints. The first two specify the first line. Each additional point specifies the endpoint of a line segment whose starting point is the endpoint of the previous line.