[fpc-pascal] Windows find out if an application already is running

Fantomas fantomaspda at yandex.com
Mon Mar 16 20:04:01 CET 2009

Hello, Rainer!

Sunday, March 15, 2009, 10:22:04 PM, you wrote:

> I tried system.hprevinst, but this shows always 0.
> If there are more copys of the program then hinstance is always the same 
> value.

hPrevInst does not work under Win32. It is only for Win16, AFAIK. Use a named
mutex, as it was given, or a named event. Also, you can find a window created by
the previous instance by its class name.

Best regards,
 Fantomas                            mailto:fantomaspda at yandex.com

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