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| Submitted on: 2/18/2004 11:31:31 AM
By: Salah_GIS
Level: Intermediate
User Rating: Unrated
Compatibility:C++ (general), Microsoft Visual C++
Users have accessed this article 268 times.
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| | | this code will solve make your programe just workone instance of your problem
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By using this article, you agree to the following terms...
1) You may use
this article in your own programs (and may compile it into a program and distribute it in compiled format for languages that allow it) freely and with no charge.
2) You MAY NOT redistribute this article (for example to a web site) without written permission from the original author. Failure to do so is a violation of copyright laws.
3) You may link to this article from another website, but ONLY if it is not wrapped in a frame.
4) You will abide by any additional copyright restrictions which the author may have placed in the article or article's description. | | This code will solve oneInstance problem
first: i check if my program exist
exit
else
create mutex
or craete semaphore
u aslo can use this code
if (OpenMutex(1,0,"Salah"))
ExitProcess(0);
CreateMutex(0,0,"Salah");
or:
if(OpenSemaphore(0,0,"Salah"))
ExitProcess(0);
CreateSemaphore (0,0,1,"Salah");
u can chage Slah with program name
:) | |
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