/// <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.
/// Ignored on Windows Phone.</param>
/// <param name="placement">The edge of the rectangle from which you want the picker to fly out.
/// Ignored on Windows Phone.</param>
/// <returns></returns>
public async Task <DeviceInformation> PickSingleDeviceAsync(Rect selection, Placement placement)
{
#if WINDOWS_PHONE_APP
_dialog = new DevicePickerDialog(this);
ContentDialogResult result = await _dialog.ShowAsync();
return(_dialog.SelectedDevice);
#else
_popup = new Popup();
DevicePickerControl dpc = new DevicePickerControl(this, _popup);
_popup.Child = dpc;
_popup.HorizontalOffset = selection.Right;
_popup.VerticalOffset = selection.Top;
_popup.IsLightDismissEnabled = true;
_popup.IsOpen = true;
return(await Task.Run <DeviceInformation>(() => { return dpc.WaitForSelection(); }));
#endif
}
/// <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
}