Re: How to control another program to run cryptically?

From:
"Sean" <xfbakup@21cn.com>
Newsgroups:
microsoft.public.vc.mfc
Date:
Wed, 23 Aug 2006 17:08:54 +0800
Message-ID:
<uShXFPpxGHA.3460@TK2MSFTNGP03.phx.gbl>
I have know why the function ran 44 times,cause every child window can
arouse the callback function.and how should i use this callback function?

thanks for your help
I'v installed a global hook in a DLL(SetWindowsHookEx(WH_CBT, CBTProc,
g_hInstDLL, 0)),this is the callback function:
LRESULT CALLBACK CBTProc(int nCode, WPARAM wParam, LPARAM lParam)
{
  FILE* stream;
TCHAR sFilename[MAX_PATH]={0};
int n_count;
 int pos=-2;
   LPCBT_CREATEWND p=(LPCBT_CREATEWND)lParam;
if(nCode==HCBT_CREATEWND)
{
    DWORD m_PID;
    HANDLE m_handle;
 GetWindowThreadProcessId((HWND)wParam,&m_PID);
 m_handle=OpenProcess(PROCESS_ALL_ACCESS, TRUE, m_PID);
 n_count=GetModuleFileNameEx((HMODULE)m_handle,NULL,sFilename,MAX_PATH);
 CloseHandle(m_handle);
 pos = strcmp( &sFilename[n_count-12], "AcroRd32.exe" );
 if(pos==0)
 {
  stream = fopen( "c:\\sys_fopen.txt", "at" );
 fwrite(sFilename,sizeof(char),n_count,stream);
       fclose( stream );
 }
}
I ran "AcroRd32.exe" ,then I opened "c:\\sys_fopen.txt", I found the code
above has run 44 times!
I can't understand this,and would you help me to write this code? thanks

You should be able to catch the creation of splash window as well if
you install a process wide hook and handle WH_CBT. Did you try that? I
am assuming you are doing this outside the app (separate process) which
necessitates a system wide hook.

---
Ajay

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