[progress Communities] [progress Openedge Abl] Forum Post: Re: Refreshing Screen During...

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keithg

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You can experiment with some WinAPI calls. Look at this page: www.oehive.org/.../385 Search for the calls to "InvalidateRect". "LockWindowUpdate" might be useful, too. Note that you have to call it twice. Once, using the HWND of the frame in question, then a second time passing a zero to undo the previous update lock. I've used this one to disable screen updates for a frame, then reenable it again after some processing has completed. For things like deleting a number of browse rows one by one, this API call can noticeably speed up the performance of your screen.

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