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Normal Topic Creating new controlpoint via sourcecode (Read 1722 times)
Dirk Woelfel
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Creating new controlpoint via sourcecode
Aug 3rd, 2006 at 11:10am
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Hello, itīs me again  Wink

I try to add a new controlpoint/segment to an existing arrow when the user clicks on the arrow.
My sourcecode:
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tmpArrow = Me.FlowChart1.GetArrowAt(Pt, 1, True, segNo)
tmpArrow.ControlPoints.Insert(segNo + 1, Pt)
tmpArrow.UpdateFromPoints()


After doing this the arrow consists of 2 segments, but the second one is not visible. I get one segment from arrow-startpoint to new control point (in origin arrow style) and a second one from new control point to arrow-endpoint (line ist not visible - just the arrowhead is there).

Another question: how can I check if an existing controlpoint ist hit by mouseclick?

Any idea?

Thanks,
Dirk
  
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Slavcho
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Re: Creating new controlpoint via sourcecode
Reply #1 - Aug 3rd, 2006 at 12:16pm
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Hey, it's you!!!  Grin

There isn't any nice way to insert control points. First you must increase the SegmentCount property, but that resets the current arrow shape to a straight line, so you must keep a copy of the old control point positions.

Take a look at the MouseMove handler here:
http://mindfusion.org/cgi/Forum/YaBB.pl?board=fcnet_disc;action=display;num=1152...

Just change points.Add(point); to points.Insert(..., point);

- glavcho
  
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Slavcho
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Re: Creating new controlpoint via sourcecode
Reply #2 - Aug 3rd, 2006 at 12:29pm
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Call the HitTestHandle method to find out whether any control point is hit.

HTH
  
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Dirk Woelfel
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Re: Creating new controlpoint via sourcecode
Reply #3 - Aug 4th, 2006 at 10:00am
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Thank you,

works fine! Great support!
  
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