public static void ExecuteUpdateStartTime(object sender, ExecutedRoutedEventArgs arg)
{
TimeCounter myControl = sender as TimeCounter;
if (myControl != null)
{
myControl.StartTime = DateTime.Now;
}
}
//依赖属性回调事件
private static void OnParameterUpdated(DependencyObject sender, DependencyPropertyChangedEventArgs arg)
{
TimeCounter myControl = sender as TimeCounter;
if (arg.NewValue.GetType() == typeof(int))
{
RoutedPropertyChangedEventArgs <int> args = new RoutedPropertyChangedEventArgs <int>((int)arg.OldValue, (int)arg.NewValue, DurationUpdatedEvent);
myControl.RaiseEvent(args);
}
else if (arg.NewValue.GetType() == typeof(DateTime))
{
RoutedPropertyChangedEventArgs <DateTime> args = new RoutedPropertyChangedEventArgs <DateTime>((DateTime)arg.OldValue, (DateTime)arg.NewValue, StartTimeUpdatedEvent);
myControl.RaiseEvent(args);
}
}
public static void CanExecuteUpdateStartTime(object sender, CanExecuteRoutedEventArgs arg)
{
TimeCounter myControl = sender as TimeCounter;
arg.CanExecute = (myControl != null);
}