private void InvokeExecuting(CancelCommandEventArgs args)
{
if (Executing != null)
{
Executing(this, args);
}
}
public void DoExecute(object param)
{
CancelCommandEventArgs args = new CancelCommandEventArgs()
{
Parameter = param, Cancel = false
};
InvokeExecuting(args);
if (args.Cancel)
{
return;
}
InvokeAction(param);
InvokeExecuted(new CommandEventArgs()
{
Parameter = param
});
}