public static FocusManagerBase GetFocusManager(DependencyObject obj)
{
if (obj == null)
{
return(null);
}
FocusManagerBase focusManager = (FocusManagerBase)obj.GetValue(FocusManagerProperty);
if (focusManager == null)
{
return(GetFocusManager(VisualTreeHelper.GetParent(obj)));
}
return(focusManager);
}
public static void SetFocusManager(DependencyObject obj, FocusManagerBase value)
{
obj.SetValue(FocusManagerProperty, value);
}
public FocusUpdatesSuppressor(FocusManagerBase suppressedFocusManager)
{
this.suppressedFocusManager = suppressedFocusManager;
suppressedFocusManager.CanUpdateFocus = false;
}