Update WindowExtensions.Dialogs.cs - Add CreateFolderPicker()

[moldypenguins]

CreateFolderPicker() - Creates a new instance of a FolderPicker with the provided window as a parent.

[MartyIX]

Not merged? :)

[moldypenguins]

Not merged? :)

This is what I have been using in the meantime:

  StorageFolder? programDataFolder;

  FolderPicker folderPicker = new FolderPicker();
  InitializeWithWindow.Initialize(folderPicker, App.MainWindow.GetWindowHandle());

  folderPicker.ViewMode = PickerViewMode.List;
  folderPicker.SuggestedStartLocation = PickerLocationId.DocumentsLibrary;
  folderPicker.FileTypeFilter.Add("*");

  ProgramDataFolder = await folderPicker.PickSingleFolderAsync();
  if (ProgramDataFolder != null)
  {
    //use folder chosen
    App.ProgramDataFolder = ProgramDataFolder.Path;

  }