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dku
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Dynamic tooltip
Aug 27th, 2008 at 7:28am
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Hello,

I'm associating object with diagram items through tag property. My associated objects have all the same interface with a GetDescription method returning a string.

I want to display this description in the tooltip but I don't want to set all tooltips to diagram items.

Is that possible to be be called to provide the tooltip content dynamically ?

I've seen the GetToolTipmethod, but if possible, I don't want to override the items.

Thanks
Didier
  
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Stoyo
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Re: Dynamic tooltip
Reply #1 - Aug 27th, 2008 at 9:50am
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Hi,

The WPF TooltipService displays the tooltip of a parent element when a child element doesn't provide its own tooltip. You might handle MouseMove and call

ToolTipService.SetToolTip(diagram, tagDescription);

where tagDescription is a value you get form the tag of the item under the mouse cursor, or null if there is no item under the cursor.

I hope that helps,
Stoyan
  
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dku
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Re: Dynamic tooltip
Reply #2 - Aug 27th, 2008 at 12:43pm
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Yes, thanks.
Didier
  
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SC
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Re: Dynamic tooltip
Reply #3 - Sep 8th, 2008 at 10:42pm
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I have diagramnode and shapenodes are attached to its inputs and outputs.
How can I show tooltip when I hover over the output shapenode. I couldn't find any events/methods for shapenodes.

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CS
  
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Stoyo
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Re: Dynamic tooltip
Reply #4 - Sep 9th, 2008 at 6:53am
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You could either set the ShapeNode's ToolTip, or call ToolTipService.SetToolTip(diagram, tagDescription) from the MouseMove handler depending on what node is returned by the GetNodeAt method.

I hope that helps,
Stoyan
  
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