LostFocus not being call when the application bar icon gets clicked

Question

Hello, I have noticed that if you have a TextBox binded to a model (two way) with a default trigger and an application bar icon button, if you enter something to that textbox and then click on the app bar icon, the event LostFocus does not get called and that causes the "model" to be out of sync with the UI (data binding is push back to the model after the textbox looses the focus) Any ideas on how to overcome this?... Thanks!

Answer 1

I have a similar situation - TextBox event LostFocus is not triggered by AppBar. I suppose that's a reasonable result - AppBar is not necessarily the same as off-focus. But then, is it possible to determine the on-focus TextBox and run its LostFocus from the AppBar? Or would that be bad practice?

Answer 2

I believe I have solved my problem; I put the following code in the AppBar routine. Just disables AppBar until TextBox loses focus (and keyboard disappears). var focusedElement = FocusManager.GetFocusedElement() as TextBox; if (focusedElement != null) { return; } So far, so good. Maybe of some help to you.

Answer 3

Hi,

I will combine your answer with the one of post http://social.msdn.microsoft.com/Forums/en-US/wpdevelop/thread/8c63172f-05af-4ed1-b787-217de9678d18/  and give this code in vb this time :

Dim focusedElement As Control = FocusManager.GetFocusedElement()
        If focusedElement IsNot Nothing Then
            focusedElement.GetBindingExpression(TextBox.TextProperty).UpdateSource()
        End If

Hope this could help

---

Faical SAID Highwave Creations