private static void OnSetCommandParameterCallback(DependencyObject dependencyObject, DependencyPropertyChangedEventArgs e)
{
Microsoft.Phone.Controls.PhoneApplicationPage buttonBase = dependencyObject as Microsoft.Phone.Controls.PhoneApplicationPage;
if (buttonBase != null)
{
PhoneApplicationPageBackKeyPressCommandBehavior behavior = GetOrCreateBehavior(buttonBase);
behavior.CommandParameter = e.NewValue;
}
}
private static PhoneApplicationPageBackKeyPressCommandBehavior GetOrCreateBehavior(Microsoft.Phone.Controls.PhoneApplicationPage buttonBase)
{
PhoneApplicationPageBackKeyPressCommandBehavior behavior = buttonBase.GetValue(BackKeyPressCommandBehaviorProperty) as PhoneApplicationPageBackKeyPressCommandBehavior;
if (behavior == null)
{
behavior = new PhoneApplicationPageBackKeyPressCommandBehavior(buttonBase);
buttonBase.SetValue(BackKeyPressCommandBehaviorProperty, behavior);
}
return(behavior);
}