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.NET Forum / Windows Forms / WinForm General / February 2006Freeze window during update?
Is there any way to freeze a window during a complicated update? I have an application which has to do a fairly complex update to its main window, It doesn't take long, but it looks kind of sloppy to see parts of the screen update sequentially. I'd like to freeze the display whhen updating begins, then release it when the update is done. Can that be done easily? Thanks in advance.  SignatureDavid Veeneman Foresight Systems Hi David, did you try this.SuspendLayout(); and this.ResumeLayout()? http://msdn.microsoft.com/library/default.asp?url=/library/en-us/cpref/html/frlr fsystemwindowsformscontrolclasssuspendlayouttopic.asp I guess this should solve your problem. Cheers Andre MCP/MCSD David Veeneman schrieb: > Is there any way to freeze a window during a complicated update? Thanks. I've never had much luck with SuspendLayout() / ResumeLayout(). But I'll give it another try. SignatureDavid Veeneman Foresight Systems I think what you are referring to is Windows not having time to redraw during your time consuming procedure. Two ways that I know of fixing this; one being a lot more elegant than the other. The best way is to perform you lengthy process in a background worker thread. This keeps your main application thread responsive to redraws and other items such as status updates from your background worker. When doing this though you need to make sure that interface elements that should not be run during the other lengthy process are disabled. The other pretty bad way to be to sprinkle Application.DoEvents() in your lengthy process, giving your interface a better chance to redraw. > Thanks. I've never had much luck with SuspendLayout() / ResumeLayout(). But > I'll give it another try.
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