Detect if an application is running

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(Look for a exe runnig)
(Look for a Mutex)
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== Look for a Mutex ==
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== Checking for a Mutex ==
It is possible to use  
It is possible to use  

Revision as of 01:43, 7 February 2007

There are many ways to do that, looking for a mutex, a class, a window or a runnnig exe.

See also HOWTO: Detect instances running in any user session with AppMutex on Inno Setup Knowledge Base.


Contents


Checking for a Mutex

It is possible to use

function CheckForMutexes(Mutexes: String): Boolean;

to check for a specified mutex, to see which mutexes are created by an application you can use ProcessExplorer.

Look for a Class Name

It is possible to use

function FindWindowByClassName(const ClassName: String): Longint; 

and get window handle if found. It is possible to use this handle to send window messages.

Look for a Window Name

Instaed of class it is possible to find a window if an application looking for windowname.

function FindWindowByWindowName(const WindowName: String): Longint; 

Look for a running executable file

By using PSVince it is possible to detect if an executable is running.

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