Re: Application object of a running application

"Scott McPhillips [MVP]" <org-dot-mvps-at-scottmcp>
Tue, 22 Apr 2008 09:26:20 -0400
"Ajay Shinde" <> wrote in message

Dear All,

I have developed a MFC dialog based application. In this applicaion I am
detecting running instance of the application by using mutex object.

HANDLE hMutex;
hMutex = CreateMutex(NULL, TRUE, "App.exe");
{ // Mutex exists so there is a running instance of app
       hMutex = NULL;

However If my application is already running I want to get the application
object and need to call some methods using application

Please suggest how do I achieve this.

Thanks in advance.

You can not call another application (or another copy of your application).
What you can do is send a window message to the main window of the other
application. You can find that window with FindWindow, and them use
SendMessage to send a message. If you want to send some data with the
message use the WM_COPYDATA message.

Scott McPhillips [VC++ MVP]

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