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Normal Topic Use of Overview (Read 1797 times)
mozzis
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Use of Overview
Jul 6th, 2007 at 9:39pm
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Can you suggest a method to identify which node in the chart was clicked in the overview? I want to quickly jump to a node in a large chart by clicking on its image in the overview; then I will highlight the node or scroll it into view.
  
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Stoyo
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Re: Use of Overview
Reply #1 - Jul 9th, 2007 at 5:44am
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There is a ScreenToDoc method you could use:

- handle MouseDown
- call ScreenToDoc to get the document coordinates of the mouse position
- call GetBoxAt to find the box at that position

Unfortunately ScreenToDoc is internal, so at this time you can invoke it only through the .NET Reflection API. We will make it public in the next release.

Stoyan
  
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mozzis
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Re: Use of Overview
Reply #2 - Jul 9th, 2007 at 3:32pm
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Thank you. This worked as needed. I changed the visibility in the source code for now.
  
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