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Normal Topic Custom CommandBindings are ignored after the update (Read 269 times)
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Custom CommandBindings are ignored after the update
Jul 18th, 2024 at 9:08am
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Hello, Mindfusion team.
I have a diagram class with custom logic. Before updating to a new version of Mindfusion, it inherited from the Diagram class, after the update - from the VirtualizingDiagram.
In this class I have a static constructor in which I call a method to override application commands (Copy, Paste, Cut) using the CommandManager.RegisterClassCommandBinding method. I tried binding them to Diagram and VirtualizingDiagram types - in both cases I get the SerializationException, which seems to be caused by default Mindfusion commands executing before custom ones. These overrides worked fine before the update, though. What could be the reason for this change in behavior?
  
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Slavcho
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Re: Custom CommandBindings are ignored after the update
Reply #1 - Jul 19th, 2024 at 7:15am
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Hi,

This prevents standard commands from being executed in my test:

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var copy = new CommandBinding(ApplicationCommands.Copy,
	(sender, args) => Debug.WriteLine("Copy"));
CommandManager.RegisterClassCommandBinding(
	typeof(VirtualizingDiagram), copy);

var paste = new CommandBinding(ApplicationCommands.Paste,
	(sender, args) => Debug.WriteLine("Paste"));
CommandManager.RegisterClassCommandBinding(
	typeof(VirtualizingDiagram), paste);


Please post your code and exception stack trace.

Regards,
Slavcho
Mindfusion
  
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