private async void OnDeleteDirectoryCommandExecute()
{
// Rückfrage
// https://docs.microsoft.com/en-us/windows/uwp/design/controls-and-patterns/dialogs-and-flyouts/dialogs
Windows.UI.Xaml.Controls.ContentDialog locationPromptDialog = new Windows.UI.Xaml.Controls.ContentDialog
{
Title = "Bestätigung",
Content = "Möchten Sie den gesamten Ordner löschen?",
CloseButtonText = "Abbrechen",
PrimaryButtonText = "Löschen"
};
Windows.UI.Xaml.Controls.ContentDialogResult result = await locationPromptDialog.ShowAsync();
// wenn löschen bestätigt
if (result == Windows.UI.Xaml.Controls.ContentDialogResult.Primary)
{
// Ordner lokal löschen
StorageFolder storageFolder = ApplicationData.Current.LocalFolder;
StorageFolder currentFolder = await storageFolder.GetFolderAsync(SelectedDirName);
await currentFolder.DeleteAsync();
// Ordner in Dropbox löschen
DropboxCommunication dropbox = new DropboxCommunication(AppSettings.Default.DropBoxAppToken);
dropbox.DeleteFolderAsync(SelectedDirName);
UpdateDirNamesAsync();
}
}
/// <summary>
/// Shows the picker UI and returns the selected device; does not require you to register for an event.
/// </summary>
/// <param name="selection">The rectangle from which you want the picker to fly out.
/// <para>Ignored on Phone platforms as dialog is presented full-screen and Windows Desktop where it is centered.</para></param>
/// <param name="placement">The edge of the rectangle from which you want the picker to fly out.
/// <para>Ignored on Phone platforms as dialog is presented full-screen and Windows Desktop where it is centered.</para></param>
/// <returns></returns>
public async Task <DeviceInformation> PickSingleDeviceAsync(Rect selection, Placement placement)
{
#if __ANDROID__ || __IOS__ || WIN32 || WINDOWS_UWP
return(await DoPickSingleDeviceAsync(selection, placement));
#elif WINDOWS_PHONE_APP
_dialog = new DevicePickerDialog(this);
Windows.UI.Xaml.Controls.ContentDialogResult result = await _dialog.ShowAsync();
return(_dialog.SelectedDevice);
#elif WINDOWS_APP
_popup = new Popup();
DevicePickerControl dpc = new DevicePickerControl(this, _popup);
_popup.Child = dpc;
_popup.HorizontalOffset = selection.X + selection.Width;
_popup.VerticalOffset = selection.Y;
_popup.IsLightDismissEnabled = true;
_popup.IsOpen = true;
return(await Task.Run <DeviceInformation>(() => { return dpc.WaitForSelection(); }));
#else
return(null);
#endif
}