[Extension()]
public static void DrawLine( 
   WriteableBitmap bmp,
   int x1,
   int y1,
   int x2,
   int y2,
   Color color
)

Parameters

bmp

x1

y1

x2

y2

color

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

Reference

WriteableBitmapExtensions Class
WriteableBitmapExtensions Members
Overload List