M
Matt Gilarde
Guest
I know that people, including people in Progress support, have recommended using LockWindowUpdate to temporarily stop painting but that's not really what it's for. LockWindowUpdate is meant to be used only when the user is doing some sort of dragging operation like resizing a window or drag and drop. Using it to prevent painting in your application can break functionality in the operating system or other applications. Using the WM_SETREDRAW message is the proper way to prevent a window from being painted.
Continue reading...
Continue reading...