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Normal Topic Load Diagram (Read 2892 times)
Amosius
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Load Diagram
Nov 8th, 2010 at 3:32pm
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Hello,

i have two different Diagram objects:
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Diagram currentdiagram;
Diagram loadeddiagram;

I always work with currentdiagram, unless i would like to change currentdiagram to a loaded Diagram (i don't use the included save/load functions).

Now i would like to change my Diagram in my DiagramView from currentdiagram to loadeddiagram.

I tried:
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xamldiagram.datacontext = loadeddiagram;
and i tried
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currentdiagram = loadeddiagram;


How can i change my diagram?

Amosius
  
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Stoyo
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Re: Load Diagram
Reply #1 - Nov 8th, 2010 at 3:41pm
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Hi,

If you are showing the diagram inside DiagramView, set view.Diagram = loadeddiagram. If you don't actually need to show more than one views of the same diagram, better use a ScrollViewer instead of DiagramView, and set ScrollViewer.Content = loadeddiagram.

I hope that helps,
Stoyan
  
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Amosius
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Re: Load Diagram
Reply #2 - Nov 10th, 2010 at 8:09pm
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Hi Stoyan,

i changed DiagramView to ScrollViewer.

To load and change the diagram i use now the following code:
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currentdiagram = loadeddiagram;
scrollviewer.Content = currentdiagram;


I get the loaded Diagram, but this one has not the properties of the diagram in xaml and therefore the behavior is different.

Do i have to set the properties manually again or can i use something like an "reload"?

Amosius
  
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Stoyo
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Re: Load Diagram
Reply #3 - Nov 11th, 2010 at 7:31am
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Hi Amosius,

The diagram does not save styles, templates and event handlers in files, so you cannot reload everything just by using the save and load methods. Perhaps you could make loadeddiagram to be an exact copy of currentdiagram in the Xaml file, but keep it hidden, and then the load method will only change the diagrams' content.

Stoyan
  
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Amosius
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Re: Load Diagram
Reply #4 - Nov 11th, 2010 at 3:13pm
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Hi Stoyo,

it worked. Thx again.
  
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