private static void OnPreviewMouseButtonOutsideCapturedElement(object sender, MouseButtonEventArgs e)
{
var instance = sender as ApplicationBar;
var source = e.OriginalSource as DependencyObject;
if (instance != null && source != null && !instance.StaysOpen)
{
var visualParent = VisualTreeHelperExtensions.FindParent <ApplicationBar>(source);
var logicalParent = LogicalTreeHelperExtensions.FindParent <ApplicationBar>(source);
if (!(Equals(instance, visualParent) || Equals(instance, logicalParent)))
{
instance.IsOpen = false;
}
}
}
private static void OnLostMouseCapture(object sender, MouseEventArgs e)
{
var instance = sender as ApplicationBar;
var source = e.OriginalSource as DependencyObject;
if (instance != null && source != null && !instance.StaysOpen)
{
var visualParent = VisualTreeHelperExtensions.FindParent <ApplicationBar>(source);
var logicalParent = LogicalTreeHelperExtensions.FindParent <ApplicationBar>(source);
if (Equals(instance, visualParent) || Equals(instance, logicalParent) || (Mouse.Captured == null && instance.IsOpen))
{
Mouse.Capture(instance, CaptureMode.SubTree);
e.Handled = true;
}
}
}
