public static async Task ShowWaittingMessge(Action action, Action closeAction = null)
{
await Application.Current.Dispatcher.Invoke(async() =>
{
if (CheckOpen())
{
return(null);
}
var view = new WaittingMessageDialog();
//show the dialog
return(await DialogHost.ShowWithOpen(view, "windowDialog", (l, e) =>
{
Task.Run(action).ContinueWith(m =>
{
Application.Current.Dispatcher.Invoke(() =>
{
e.Session.Close(false);
closeAction?.Invoke();
});
});
}));
});
}
/// <summary> 带有返回结果的等待消息窗口 </summary>
public static async Task <T> ShowWaittingResultMessge <T>(Func <T> action)
{
if (CheckOpen() || action == null)
{
return(default(T));
}
T result = default(T);
await Application.Current.Dispatcher.Invoke(async() =>
{
var view = new WaittingMessageDialog();
//show the dialog
await DialogHost.ShowWithOpen(view, "windowDialog", (l, e) =>
{
Task.Run(() => result = action.Invoke()).ContinueWith(m =>
{
Application.Current.Dispatcher.Invoke(() =>
{
e.Session.Close(false);
});
});
});
});
return(result);
}
