Changing line style

Hi,
I'm using Draw Line function in Labview 10 to draw some lines in the front panel programmatically (the start point is given and I change the end point using a for loop). However, I don't want to use the default line styles and want to show the line with some arrows (like replacing the small dashes in dash style with some small arrows, or replacing the solid line style with a solid arrow). 
Is there any way to do this?
Thanks in advance for your help. 

The "pen" input to teh Draw Line.vi gives the option to select Line Style.
See attached
Dan
Attachments:
Line Selection.png ‏3 KB

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