Wpf Dialogs Apr 2026

using System.Windows.Forms; // Add reference to System.Windows.Forms var dialog = new FolderBrowserDialog

private void Save()

Description = "Select output folder", ShowNewFolderButton = true ; WPF Dialogs

var windowType = GetWindowTypeForViewModel(viewModel.GetType()); var window = (Window)Activator.CreateInstance(windowType); window.DataContext = viewModel; window.Owner = Application.Current.MainWindow; return window.ShowDialog() == true ? (T)viewModel : null; using System

progressDialog.Close(); // Open File Dialog var openFileDialog = new Microsoft.Win32.OpenFileDialog *.*", Multiselect = false, InitialDirectory = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments) ; if (openFileDialog.ShowDialog() == true) ShowNewFolderButton = true

// Usage with async operation async Task ProcessDataAsync()