public CommandProvider(MacUI app, CommandProvider parent)
{
App = app;
IsEnabled = new BooleanProperty("IsEnabled", true);
CanStart = new BooleanProperty("CanStart", true);
CanStop = new BooleanProperty("CanStop", false);
notifyCanExecute = new NotifyStateChanged(IsEnabled, CanStart);
if (parent != null)
{
notifyCanExecute.Register(parent.NotifyHasInstance);
}
stopCommand = new StopCommand(this);
}
public StopCommand(CommandProvider provider)
: base(provider, provider.CanStop)
{
}
protected Command(CommandProvider provider, INotifyStateChanged notify)
{
Provider = provider;
NotifyStateChanged = notify;
}