I have the following XAML below for the main window in my WPF application, I am trying to set the design time d:DataContext below, which I can successfully do for all my various UserControls, but it gives me this error when I try to do it on the window… Error 1 The property ‘DataContext’ must … Read more
I’m not sure when I should use ContentPresenter instead of ContentControl (and vice-versa). At the moment, I’m using ContentControl pretty much all the time in my DataTemplates. When would ContentPresenter be a better choice? and why? 5 Answers 5
What is difference between a ControlTemplate and a DataTemplate in WPF? 7 Answers 7
I’m writing a modal dialog in WPF. How do I set a WPF window to not have a close button? I’d still like for its WindowState to have a normal title bar. I found ResizeMode, WindowState, and WindowStyle, but none of those properties allow me to hide the close button but show the title bar, … Read more
What is the difference between WPF’s ListBox and ListView? I can not find any significant difference in their properties. Is there different typical use? 3 Answers 3
Is there a ‘standard’ way to specify that a task continuation should run on the thread from which the initial task was created? Currently I have the code below – it is working but keeping track of the dispatcher and creating a second Action seems like unnecessary overhead. dispatcher = Dispatcher.CurrentDispatcher; Task task = Task.Factory.StartNew(() … Read more
I have a list (see below) contained in a window. The window’s DataContext has two properties, Items and AllowItemCommand. How do I get the binding for the Hyperlink‘s Command property needs to resolve against the window’s DataContext? <ListView ItemsSource=”{Binding Items}”> <ListView.View> <GridView> <GridViewColumn Header=”Action”> <GridViewColumn.CellTemplate> <DataTemplate> <StackPanel> <TextBlock> <!– this binding is not working –> … Read more
How can I bring my WPF application to the front of the desktop? So far I’ve tried: SwitchToThisWindow(new WindowInteropHelper(Application.Current.MainWindow).Handle, true); SetWindowPos(new WindowInteropHelper(Application.Current.MainWindow).Handle, IntPtr.Zero, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE); SetForegroundWindow(new WindowInteropHelper(Application.Current.MainWindow).Handle); None of which are doing the job (Marshal.GetLastWin32Error() is saying these operations completed successfully, and the P/Invoke attributes for each definition do have … Read more
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I have an instance of a System.Drawing.Bitmap and would like to make it available to my WPF app in the form of a System.Windows.Media.Imaging.BitmapImage. What would be the best approach for this? 10 Answers 10
