c# Programming Glossary: invokerequired

WinForm Application UI Hangs during Long-Running Operation

http://stackoverflow.com/questions/1216791/winform-application-ui-hangs-during-long-running-operation

want to do anything on the GUI you have to use Invoke and InvokeRequired to trigger the method back on the GUI thread. See here . share..

Avoiding the woes of Invoke/BeginInvoke in cross-thread WinForm event handling?

http://stackoverflow.com/questions/1364116/avoiding-the-woes-of-invoke-begininvoke-in-cross-thread-winform-event-handling

state have a couple of things raise concerns... Control.InvokeRequired Documented to return false if running on current thread or if.. returns false for all parents. I'm troubled by the InvokeRequired implementation having the potential to either throw ObjectDisposedException.. potentially even re create the object's handle. And since InvokeRequired can return true when we are not able to invoke Dispose in progress..

Cross-thread operation not valid: Control accessed from a thread other than the thread it was created on

http://stackoverflow.com/questions/142003/cross-thread-operation-not-valid-control-accessed-from-a-thread-other-than-the

the following code CODE 2 UserContrl1_LoadDataMethod if InvokeRequired Line #1 this.Invoke new MethodInvoker UserContrl1_LoadDataMethod.. like UserContrl1_LOadDataMethod string name if textbox1.InvokeRequired textbox1.Invoke new MethodInvoker delegate name textbox1.text.. string which will be bound to grid at some later stage if InvokeRequired after we've done all the processing this.Invoke new MethodInvoker..

How to wait for thread to finish with .NET?

http://stackoverflow.com/questions/1584062/how-to-wait-for-thread-to-finish-with-net

top of the HandleThreadDone methods Delegate example if InvokeRequired Invoke new Action HandleThreadDone return share improve this..

Boiler plate code replacement - is there anything bad about this code?

http://stackoverflow.com/questions/192980/boiler-plate-code-replacement-is-there-anything-bad-about-this-code

static class SafeInvoker Utility to avoid boiler plate InvokeRequired code Usage SafeInvoker.Invoke myCtrl myCtrl.Enabled false public.. public static void Invoke Control ctrl Action cmd if ctrl.InvokeRequired ctrl.BeginInvoke new MethodInvoker cmd else cmd Replaces OnMyEventRaised..

Cleanest Way to Invoke Cross-Thread Events

http://stackoverflow.com/questions/22356/cleanest-way-to-invoke-cross-thread-events

object sender CoolObjectEventArgs args if InvokeRequired CoolObjectEventHandler cb new CoolObjectEventHandler mCoolObject_CoolEvent..

Automating the InvokeRequired code pattern

http://stackoverflow.com/questions/2367718/automating-the-invokerequired-code-pattern

the InvokeRequired code pattern I have become painfully aware of just how often.. false becomes private void DoGUISwitch if object1.InvokeRequired object1.Invoke new MethodInvoker DoGUISwitch else object1.Visible.. this Control control MethodInvoker action if control.InvokeRequired control.Invoke action else action And can be called like this..

Writing to a TextBox from another thread?

http://stackoverflow.com/questions/519233/writing-to-a-textbox-from-another-thread

.Start public void AppendTextBox string value if InvokeRequired this.Invoke new Action string AppendTextBox new object value.. MainForm make a function to set the textbox the checks the InvokeRequired public void AppendTextBox string value if InvokeRequired this.Invoke.. InvokeRequired public void AppendTextBox string value if InvokeRequired this.Invoke new Action string AppendTextBox new object value..

Is it appropriate to extend Control to provide consistently safe Invoke/BeginInvoke functionality?

http://stackoverflow.com/questions/714666/is-it-appropriate-to-extend-control-to-provide-consistently-safe-invoke-begininv

throw new ArgumentNullException uiElement if uiElement.InvokeRequired if forceSynchronous uiElement.Invoke Action delegate SafeInvoke.. to comments Some comments suggest that if uiElement.InvokeRequired should be if uiElement.InvokeRequired uiElement.IsHandleCreated.. that if uiElement.InvokeRequired should be if uiElement.InvokeRequired uiElement.IsHandleCreated Consider the following msdn documentation..