public DispatcherSample()
{
InitializeComponent();
var d = new DerivedObject();
d.DoSomething();
}
private async void DispatcherButton_Click(object sender, RoutedEventArgs e)
{
var d = new DerivedObject();
await Task.Run(async() =>
{
if (d.CheckAccess() == false)
{
await d.Dispatcher.InvokeAsync(() => d.DoSomething());
}
});
}
private async void NGButton_Click(object sender, RoutedEventArgs e)
{
var d = new DerivedObject();
try
{
await Task.Run(() => d.DoSomething());
}
catch
{
MessageBox.Show("例外");
}
}
private void OKButton_Click(object sender, RoutedEventArgs e)
{
var d = new DerivedObject();
d.DoSomething();
}