invokerequired - w3toppers.com

What’s wrong with calling Invoke, regardless of InvokeRequired?

From non-UI threads we can’t touch the UI – very bad things can happen, since controls have thread affinity. So from a non-UI thread we must (at a minumum) call Invoke or BeginInvoke. For UI-threads, however – we don’t want to call Invoke lots of time; the issue is that if you are already on … Read more

Automating the InvokeRequired code pattern

Lee’s approach can be simplified further public static void InvokeIfRequired(this Control control, MethodInvoker action) { // See Update 2 for edits Mike de Klerk suggests to insert here. if (control.InvokeRequired) { control.Invoke(action); } else { action(); } } And can be called like this richEditControl1.InvokeIfRequired(() => { // Do anything you want with the control … Read more