private static void OnSetCommandCallback(DependencyObject dependencyObject, DependencyPropertyChangedEventArgs e)
{
NumericUpDown element = dependencyObject as NumericUpDown;
if (element != null)
{
NumericUpDownValueChangedBehavior behavior = GetOrCreateBehavior(element);
behavior.Command = e.NewValue as ICommand;
}
}
private static NumericUpDownValueChangedBehavior GetOrCreateBehavior(NumericUpDown element)
{
NumericUpDownValueChangedBehavior behavior = element.GetValue(keyUpCommandBehaviorProperty) as NumericUpDownValueChangedBehavior;
if (behavior == null)
{
behavior = new NumericUpDownValueChangedBehavior(element);
element.SetValue(keyUpCommandBehaviorProperty, behavior);
}
return(behavior);
}
private static void SetkeyUpCommandBehavior(DependencyObject dependencyObject, NumericUpDownValueChangedBehavior value)
{
dependencyObject.SetValue(keyUpCommandBehaviorProperty, value);
}