A little more info. I have MadExcept operating and it detected "The application seems to be frozen."
77fa15ec ntdll.dll KiUserCallbackDispatcher 77e1567d user32.dll PeekMessageA KiUserCallbackDispatcher is where it is hanging. From: delphi-boun...@delphi.org.nz [mailto:delphi-boun...@delphi.org.nz] On Behalf Of Ross Levis Sent: Thursday, 28 July 2011 11:09 p.m. To: 'NZ Borland Developers Group - Delphi List' Subject: [DUG] Why does this hang? I'm using the following code inside a wait loop so that most messages are processed except for some mouse and keyboard messages (I think) which I don't want to be processed. It's working perfectly here but for another user it hangs indefinitely. If PeekMessage(Msg, MainForm.Handle , 0, 0, PM_NOREMOVE) and ((Msg.message < 160) or ((Msg.message > 264) and (Msg.message < 512)) or (Msg.message > 524)) then Application.HandleMessage; I use to have an Application.ProcessMessages but this was causing a problem which I can't remember now, and this code fixed it. Cheers.
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