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Message
From
03/10/2000 17:17:19
 
General information
Forum:
Visual FoxPro
Category:
Other
Miscellaneous
Thread ID:
00424335
Message ID:
00424409
Views:
19
>>Is there a way to prevent starting a second time the same application (.exe) ?
>>
>>thank you
>
>This is from Ed Rauh: (check FAQ here and API)
>
>
>DECLARE INTEGER CreateEvent IN WIN32API ;
>   INTEGER lpEventAttributes, ;
>   SHORT bManualReset, ;
>   SHORT bInitialState, ;
>   STRING @ lpName
>DECLARE INTEGER GetLastError IN Win32API
>DECLARE CloseHandle IN Win32API INTEGER hObject
>nEh = CreateEvent(0,0,1, PROGRAM(0) + '.EVENT')
>IF GetLastError() = 183 OR nEh = 0
>   *  There's an instance running already (183) or the Event can't be defined
>   *  So don't do it;  do release the handle, since it's harmless and should
>   *  be done rather than relying on Windows to clean up after itself
>   =CloseHandle(nEh)
>   QUIT
>ENDIF
I'm dreaming, or UT found a way for color highlighting of VFP sample code? ;)
Vlad Grynchyshyn, Project Manager, MCP
vgryn@yahoo.com
ICQ #10709245
The professional level of programmer could be determined by level of stupidity of his/her bugs

It is not appropriate to say that question is "foolish". There could be only foolish answers. Everybody passed period of time when knows nothing about something.
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