private async void Exit()
{
if (this.savingNeeded)
{
MessageViewerEventArgs result = await this._messageViewer.DisplayMessage("Settings have not been saved, are you sure you want to exit?", "Discard Changes?", MessageViewerButton.OkCancel);
if (result.Result == MessageViewerResult.Ok)
{
this.ClosePopup(null);
}
}
else
{
this.ClosePopup(null);
}
}
private void CloseMessageViewer(MessageViewerEventArgs e)
{
this.ActiveMessage = "";
this.IsMessageActive = false;
this.messageTaskCompletionSource.SetResult(e);
}