void AssociatedObjectFocus()
{
if (AssociatedObject.Focusable && AssociatedObject.IsTabStop)
{
AssociatedObject.Focus();
}
else
{
var children = LayoutTreeHelper.GetVisualChildren(AssociatedObject);
var controlToFocus = children.OfType <Control>().Where(x => x.Focusable && x.IsTabStop).FirstOrDefault();
controlToFocus.Do(x => x.Focus());
}
}
internal static void UpdateWindowOwner(Window w, FrameworkElement ownerObject)
{
if (ownerObject == null)
{
return;
}
if (!ViewModelBase.IsInDesignMode)
{
w.Owner = LayoutTreeHelper.GetVisualParents(ownerObject).OfType <Window>().FirstOrDefault()
?? Window.GetWindow(ownerObject);
}
else
{
System.Windows.Interop.WindowInteropHelper windowInteropHelper = new System.Windows.Interop.WindowInteropHelper(w);
windowInteropHelper.Owner = GetActiveWindow();
}
}
protected virtual FrameworkElement FindParent(object sender, DependencyObject originalSource)
{
return(LayoutTreeHelper.GetVisualParents(originalSource, (DependencyObject)sender).Where(CheckItemType(sender)).FirstOrDefault() as FrameworkElement);
}
