How to use SendKeys() in MFC

We use a function SendKeys() in visual vabic of shell object. We send keys to other applications(like notepad,word etc.) by sendkeys.
I'm unable to access SendKeys in MFC. how can i access it or how can i send messages to other applications in MFC?
and how can i access shell object in MFC?
Waiting for reply.
and thanks for your response for my first question(deletesystemfile).
ManojKrChauhanAsked:
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nonubikConnect With a Mentor Commented:
To send messages to other applications, you can use CWnd::SendMessage(..) http://msdn.microsoft.com/library/en-us/vclib/html/_mfc_CWnd.3a3a.SendMessage.asp
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ManojKrChauhanAuthor Commented:
Can i send keyboard event to other application using SendMesage().
I want to send TAB key event to other application. how can i do it?
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nonubikCommented:
SendMessage(hAppWnd, WM_KEYDOWN, VK_TAB, 0), where the hAppWnd is the application's window handle
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ManojKrChauhanAuthor Commented:
It's not working. I open an exe through WinExec then send message to it.
no problem in WM_CLOSE,WMSETTEXT,WM_GETTEXT.
But keyboard messagees are not working. I want to send TAB key to application(without pressing it)
waiting for reply.
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mblatCommented:
Do you have control of other application?  Basically you are the one who is writing it or you trying to control 3rd party app?
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ManojKrChauhanAuthor Commented:
I have done for sendmessage. Thanks
There is a problem related with sendkeys
when i open file file by shell function then it bacame active by appactivate() and i can send keys to its window by Sendkeys(). But when i open any file by shell.run the i activate the window by appactivate and tried to send keys. then keys don't send to its windows. I want to send keys to window which is open by shell.run
Like .MSC file we can open mmc.exe (only by shell.run() not shell() or winexec() or shellexecute())for win2k. when i open .msc file then i try to activate its window by appactivate() setforegroundwindow() etc. but no success.
 so please give a reply how can i send keys to such applications
             thanks
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