A good example on how to use UpdateSourceTrigger=Explicit with MVVM

Question

I\'m trying to figure out how to use UpdateSourceTrigger=Explicit.

I\'ve got following form:

Answer 1

You need to call BindingExpression.UpdateSource in the code behind to manually update the binding. Explicit binding isn't really compatible with MVVM since you need to directly reference the view objects to perform the manually update.

// itemNameTextBox is an instance of a TextBox
BindingExpression be = itemNameTextBox.GetBindingExpression(TextBox.TextProperty);
be.UpdateSource();