I have an ObservableCollection in my view-model, and a CollectionViewSource and ListBox in my view. The ListBox binds to the CollectionViewSource. The CollectionViewSource binds to the ObservableC...

Problem: Validation.HasError automatically highlights the control that has Error via INotifyDataErrorInfo implementation. My problem is i need to set focus on that specific control when it has ERr...

I am trying to change the theme of the new WPF Ribbon Control from .NET Framework 4.5 and I am stuck. I only managed to change some brushes (Background, Foreground, Border ...) but I seem to be un...

I have made a custom control called AddressForm, which inherits from Control. The control is used to display the fields for an IAddress object. Originally I made this control in Silverlight, now ...

I did not expect RenderTargetBitmap.Render(visual) to have any side effects excerpt changing the bitmap data itself. It looks like it is not true. I am unable to repeat it more than 60 times be...

I'm using the release Version of Windows 8 and Visual Studio 2012 to create a WPF application with a Ribbon control. I choose the ribbon control that comes with WPF in .Net Framework 4.5. My code t...