public static void Register(object recipient, object target, Action <PreviewExecuteMessageEvent> action, Action <PreviewCanExecuteMessageEvent> canExecute = null)
{
Messenger.Default.Register <PreviewExecuteMessageEvent>(
recipient,
target,
action);
if (canExecute != null)
{
PreviewCanExecuteMessageEvent.Register(recipient, target, canExecute);
}
}
public static void PreviewCanExecute(object sender, CanExecuteRoutedEventArgs parameter)
{
var message = new PreviewCanExecuteMessageEvent(
parameter,
callbackMessage =>
{
// This is the callback code
if (callbackMessage)
{
parameter.CanExecute = true;
}
});
Messenger.Default.Send <PreviewCanExecuteMessageEvent>(message, parameter.Command);
}
public static void PreviewCanExecute(object sender, CanExecuteRoutedEventArgs parameter)
{
var message = new PreviewCanExecuteMessageEvent(
parameter,
callbackMessage =>
{
// This is the callback code
if (callbackMessage)
{
parameter.CanExecute = true;
}
});
Messenger.Default.Send<PreviewCanExecuteMessageEvent>(message, parameter.Command);
}
