C wpf listview not updating lesbian dating sim game
Setting Item Source to null and then putting the collection back seems to work, but that's not good because any selections the user made will be gone.I have a List View which i am updating as soon as i get data .Whats bugging me is that , if it works when i add values in the constructor then why it doesnt work if i add values in the some method .I am using MVVM Light , Message From Main will get called when I have the forcast conditions available .In this function i am just assigning forcast List that i get from callback to this View Model`s property. Well, you change the object the list property references and do not tell the view about it by setting the field to a new collection in that method.Does anyone know why my List View with following Code is not working? However, WPF works around message passing and your songlibrary observablecollection should be raising some kind of propertychanged or collectionchanged to notify your front end that things have changed. And code: Class Main Window Public _Song Library As Observable Collection(Of ASong) Private Sub btn Load_Click(By Val sender As System. Hope this helps and at least gives some direction." id="ctl00_m_m_i_ctl00_gr_ctl01_bestanswerbody" class="textarea-bestanswerhidden" name="bestanswerbody" answerbody Id="4691295" / John, Code is a little difficult to read and you make no reference to your XAML.
Album = Input Box("Enter Album", "Album", "Unknown") _Song Library. You would also normally have an Update Source Trigger set to Property Changed in your XAML on the control that is using your Songs collection as its Items Source. I am presuming this is code behind rather than an MVVM type solution.method to programmatically update the record at the specified index in the data source.You typically use this method when you want to update a record from outside the List View control, such as from a different control on the page.