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Normal Topic Arrow.OriginTable.RowFromPoint (Read 3334 times)
Carlos_Rocha
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Arrow.OriginTable.RowFromPoint
Jul 8th, 2011 at 6:49am
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Hi,

The following code always returns -1

Code
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oArrow:OriginTable:RowFromPoint(oArrow.CtrlPtX(0), oArrow.CtrlPtY(0))


To find the origin of the arrow I need to make

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if (nRow := oArrow:OriginTable:RowFromPoint(oArrow:CtrlPtX(0)-1, oArrow:CtrlPtY(0)) == -1
   nRow := oArrow:OriginTable:RowFromPoint(oArrow:CtrlPtX(0)+1, oArrow:CtrlPtY(0)
endif


Is this the only way or am I missing something?

Thanks
  
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Stoyo
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Re: Arrow.OriginTable.RowFromPoint
Reply #1 - Jul 8th, 2011 at 8:08am
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Hi,

You can use the arrow's OrgnIndex and DestIndex properties instead.

I hope that helps,
Stoyan
  
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Carlos_Rocha
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Re: Arrow.OriginTable.RowFromPoint
Reply #2 - Jul 8th, 2011 at 1:48pm
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Thank you Stoyo, that was it.

But both properties are readonly. How can I assign a link to a row programatically? do I have to define anchorpoints for every row?
  
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Stoyo
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Re: Arrow.OriginTable.RowFromPoint
Reply #3 - Jul 8th, 2011 at 2:32pm
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You can use the table's ChangeRelation method for that. Apart from the row, that method can also change the arrow's origin or destination table with the same call.
  
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Carlos_Rocha
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Re: Arrow.OriginTable.RowFromPoint
Reply #4 - Jul 8th, 2011 at 3:23pm
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Thank you, I'll try that
  
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