Wpf command canexecute not updating
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The problem is that the code you added to your custom overridden implementation will NOT be called when invoked from XAML. Your custom code only gets called when you manually call Delegate Command. It would eliminate every issue that the Delegate Command has, and it would work exactly how you would expect.The only downside to this is that you would no longer have a strongly type parameter type in the Execute method.
Since we’re following semantic versioning, we promise to not break anything from version 1.0 to 2.0. Metro now allows to define custom themes for the application.There are is now an enum with four values: infrastructure along with several other fixes and improvements. After only 2 months and nearly 300 commits, this is one of the feature-richest releases we’ve ever done.This release, again, contains some breaking changes.Show Metro Dialog Async(new Custom Base Metro Dialog(this.metro Dialog Settings)); // or await this.Show Metro Dialog Async(new Custom Base Metro Dialog(this, this.metro Dialog Settings)); This is the first stable release of Mah Apps. We removed everything marked as obsolete and made some API changes, but from now on Mah Apps.Better handling for dialogs settings also with the already available `Show Metro Dialog Async` method ```csharp // create and show custom dialog with default settings await this.
Show Metro Dialog Async(new Custom Base Metro Dialog()); // create and show custom dialog with own settings await this.
Subscribing to an event on a static object will set up a strong reference to any objects handling that event.
Statics, one referenced, remain for the duration of the app domain execution, and therefore so do all their references.
If you create an event handler to handle events occurring in some other object then, if you don't clear the link when you've finished, an unwanted strong reference will be left behind.
Say I am subscribing to an On Placed event on my Order class, and say this code executes on a button click: The Order Placed event handler still holds a reference to the Order object from when we subscribed to the On Placed event, and that reference will keep the Order object alive even though we have removed it from the collection. You read that right; data binding, the thing you rely on, can cause memory leaks.
And strong references preventing garbage collection are just memory leaks by another name.