ComputeArrowHead Method
Computes the two arrowhead wing points for a vector whose screen-space stem direction is (dx, dy) with squared length lenSq and tip at (tipX, tipY).
Syntax
protected static void ComputeArrowHead( 
   double dx,
   double dy,
   double lenSq,
   double headLength,
   double arrowHalfWidth,
   double tipX,
   double tipY,
   out double ax1,
   out double ay1,
   out double ax2,
   out double ay2
)

Parameters

dx
dy
lenSq
headLength
arrowHalfWidth
tipX
tipY
ax1
ay1
ax2
ay2
Requirements

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

See Also