To implement such a functionality, the source object should have an event handler function.

More about this topic will be discussed in the Binding source article.Now add the converter to your problematic data binding.Unless you are constantly checking every UI element and monitoring the output window for binding errors, you will not always catch that you have a data binding problem.Data binding establishes a connection between the application UI and business logic. You no longer have to write code that updates your UI or pass values down to your business logic.When it breaks, it can be frustrating to figure out what went wrong.

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