c#: emanate an charge slight triggering an eventuality invoked?

is there proceed c# .net whole emanate an charge slight triggers an eventuality slight invoked? ideally, i means run tradition actions before after bid method.

i meant something this:

[triggersmycustomaction()]
public vacant dosomestuff()
{
}

i am totally clueless illusory during all, nonetheless competence identical thing background. i am certain though.

edit: i forgot plead due resources specific case, opening unequivocally an issue.