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#include <tlhelp32.h>

HWND FindWindowHandle;

BOOL CALLBACK EnumWindowsProc(HWND hwnd,LPARAM lParam);

void CFindHandleDlg::OnButton1() 

{

// TODO: Add your control notification handler code here

UpdateData();

PROCESSENTRY32 pe[50];

HANDLE hSnapshot=CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS,0);

if (!hSnapshot)

{

//printf("Unable to create snapshot!\n");

::MessageBoxA(NULL, "CreateToolhelp32Snapshot() : Fail!", NULL,NULL);

}

// prepare to enumerate the processes....

//PROCESSENTRY32 pe[50];

ULONG count=0;

// remember to init the structure...

pe[0].dwSize=sizeof(PROCESSENTRY32);

BOOL retval=Process32First(hSnapshot,&pe[0]);

while(retval)

{

// increment the process count

count++;

pe[count].dwSize=sizeof(PROCESSENTRY32);

// display the process name and ID

retval=Process32Next(hSnapshot,&pe[count]);

}

// since we are done, remember to close the snapshot handle

CloseHandle(hSnapshot);

for(int i=0; i<50; i++)

{

char sss[100];

//::wcstombs(sss, (const unsigned short *)pe[i].szExeFile, 100);

if(strcmp(pe[i].szExeFile, (LPSTR)(LPCTSTR)m_strProcessImageName)==0)

{

if(::EnumWindows(&EnumWindowsProc,(LPARAM)pe[i].th32ProcessID)==false)

{

sprintf(sss, "%x", FindWindowHandle);

AfxMessageBox(sss);

}

}

}

}

BOOL CALLBACK EnumWindowsProc(HWND hwnd,LPARAM lParam)

{

DWORD pid;

    GetWindowThreadProcessId(hwnd,&pid);

    if(lParam==pid && IsWindowVisible(hwnd))

    {

#if defined(_DEBUG)

        TCHAR name[255]={0,};

        GetWindowText(hwnd,name,255);

        TRACE("%s 0x%08x(%d) 0x%08x(%d)\n",name, hwnd,hwnd,pid,pid);

#endif

        FindWindowHandle = hwnd;

        return false;

    }

    return true;

}