How to set AnnoArrow a color

Hi all,
   I want to know how can I specify a color to the annotation arrow, just as it is in the vector field.
   How can I change the angle of the arrow head? I just can change the length of arrow head by the resource vcLineArrowHeadMaxSizeF now. But I also want to change the angle.

  Thanks for your help.

2013-09-03



朱学明

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Received on Tue Sep 3 09:40:53 2013