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Custom nodes doesn't retain the properties (Read 3976 times)

venki5star Junior Member Offline Posts: 82 Location: India Joined: Mar 9^th, 2010	Custom nodes doesn't retain the properties Oct 19^th, 2010 at 9:35am	Print Post
	hi, I have created a custom control & added this control as a node to the diagram. And this custom controls has various properties like Id, Name, Type.. Diagram to be saved as a String & when i re-load the diagram with the saved string i can able to see my custom control in the diagram area. But values assigned to the property 'Id' ony is not retained, but for other properties i can see the values which was assigned earlier. Can any one help me please?

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Stoyo God Member Offline MindFusion support Posts: 13230 Joined: Jul 20^th, 2005	Re: Custom nodes doesn't retain the properties Reply #1 - Oct 19^th, 2010 at 10:11am	Print Post
	Hi, Does that property provide a public setter? Hosted controls are saved using th WPF's XamlWriter class, and I suppose it only handles public properties. You could also handle the SerializeControl and DeserializeControl events to implement your own serializaton code. I hope that helps, Stoyan


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venki5star Junior Member Offline Posts: 82 Location: India Joined: Mar 9^th, 2010	Re: Custom nodes doesn't retain the properties Reply #2 - Oct 19^th, 2010 at 10:14am	Print Post
	Hi, property is "Public" only. [You could also handle the SerializeControl and DeserializeControl events to implement your own serializaton code.] How to serialize & de-serialize?

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Stoyo God Member Offline MindFusion support Posts: 13230 Joined: Jul 20^th, 2005	Re: Custom nodes doesn't retain the properties Reply #3 - Oct 19^th, 2010 at 10:17am	Print Post
	There is some sample code showing that in the SerializeControl help topic linked above.


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venki5star Junior Member Offline Posts: 82 Location: India Joined: Mar 9^th, 2010	Re: Custom nodes doesn't retain the properties Reply #4 - Oct 19^th, 2010 at 10:48am	Print Post
	But my requirement is, when i select/clik the node that time i need to access the property of my custom node.

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Stoyo God Member Offline MindFusion support Posts: 13230 Joined: Jul 20^th, 2005	Re: Custom nodes doesn't retain the properties Reply #5 - Oct 19^th, 2010 at 1:57pm	Print Post
	Hi, To access the properties of a clicked control, in the NodeClicked handler typecast e.Node to DiagramNodeAdapter, and then adapter.UIElement to your control type. I hope that helps, Stoyan


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venki5star Junior Member Offline Posts: 82 Location: India Joined: Mar 9^th, 2010	Re: Custom nodes doesn't retain the properties Reply #6 - Oct 20^th, 2010 at 3:13am	Print Post
	Yes i'm doing the same. But only for few properties(Id.) values are not retained.

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Stoyo God Member Offline MindFusion support Posts: 13230 Joined: Jul 20^th, 2005	Re: Custom nodes doesn't retain the properties Reply #7 - Oct 20^th, 2010 at 6:13am	Print Post
	They might get changed after the diagram is loaded - try running with a breakpoint on the Id setter to see if that's what happens. Otherwise you can't do much if XamlReader does not load correct Ids, except to implement custom serialization.


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