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POHow to suppress windows system message
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2009-09-10T14:16:40.767
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I have created a application which copies files from hard disk to Floppy drive using the CopyFile() API. In the middle of the copy process for a large file, if the floppy is removed from the drive then windows system popup's up an error message. I want to suppress this error message that is popped up by the system. I googled and read about SetErrorMode() API used by many applications to solve similar issues and tried using it with all the possible flag options but it fails. Sample code - UINT uOldErrorMode = SetErrorMode (SEM_FAILCRITICALERRORS | SEM_NOGPFAULTERRORBOX); ::CopyFile("C:\text.dat","A:\text.dat", FALSE); SetErrorMode (uOldErrorMode); SetErrorMode() API fails to suppress the error message. Can anyone help me in understanding why is it not working with for my application? I then came across the below link : <a href="http://support.microsoft.com/kb/128642" rel="nofollow noreferrer">http://support.microsoft.com/kb/128642</a> which talks about the key HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Windows\ErrorMode whose value can be set to 0,1 or 2 to suppress or show the error messages. This solution works for my application but I feel that a. It is not a good programming practices to access the system key directly? there should be a API that should do this. b. Such a code shall fail the UAC when executed on Windows Vista or Windows 7. Can anybody please provide some help with the above issue. Regards, Felix
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How to suppress windows system message
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