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c# Programming Glossary: ishandlecreatedAvoiding 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 to return false if running on current thread or if IsHandleCreated returns false for all parents. I'm troubled by the InvokeRequired.. where we can trust InvokeRequired returning false is when IsHandleCreated returns true both before and after the call BTW the MSDN docs.. the MSDN docs for InvokeRequired do mention checking for IsHandleCreated . Control.IsHandleCreated Returns true if a handle has been..
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 uiElement updater forceSynchronous else if uiElement.IsHandleCreated Do nothing if the handle isn't created already. The user's.. should be if uiElement.InvokeRequired uiElement.IsHandleCreated Consider the following msdn documentation This means that InvokeRequired.. protect against this case by also checking the value of IsHandleCreated when InvokeRequired returns false on a background thread. If..
How to speed adding items to a ListView? http://stackoverflow.com/questions/9008310/how-to-speed-adding-items-to-a-listview is called they're both guarded by a check against owner.IsHandleCreated owner being the ListView then calls BeginUpdate . ListView.InsertItems.. it adds the items to an ArrayList listItemsArray but if IsHandleCreated then it calls ListView.InsertItemsNative from line 3848 final..
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