Hi, when I return in my program from the root event loop, I'd like to close the TGMainFrame window. But either it doesn't close or, using CloseWindow(), I get on the next pass Error in <RootX11ErrorHandler>: BadWindow (invalid Window parameter) (XID: 79691955) Error in <RootX11ErrorHandler>: BadWindow (invalid Window parameter) (XID: 79691906) A code fragment inside the loop looks like this: RootWindow *rootwin = new RootWindow(gClient->GetRoot(), 450, 450); // derived from TGMainFrame rootApp->Run(kTRUE); rootwin->CloseWindow(); // closes the window, but gives warning on next pass delete rootwin; // doesn't close the window Thanks, Ulrich
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