MFC将其他EXE镶入对话框中的问题·高手请解答

HANDLE hProcess;

HWND apphWnd = NULL;

int CALLBACK EnumWindowsProc(HWND hwnd, LPARAM lParam)

{

    DWORD pID;

    DWORD tpID = GetWindowThreadProcessId(hwnd,&pID);

    if(tpID == (DWORD)lParam)

    {

        apphWnd = hwnd;

        return false;

    }

    return true;

}

HANDLE StartProcess(LPCTSTR program, LPCTSTR args)

{

     HANDLE hPro = NULL;

     PROCESS_INFORMATION processInfo;

     STARTUPINFO startupInfo;

     ::ZeroMemory(&startupInfo, sizeof(startupInfo));

     startupInfo.cb = sizeof(startupInfo);

     //设置进程创建时不显示窗口

     //startupInfo.dwFlags = /*STARTF_USEPOSITION*/STARTF_USESHOWWINDOW;

	 startupInfo.dwFlags = STARTF_USEPOSITION;//STARTF_USESHOWWINDOW;

     startupInfo.dwX = 600;

     startupInfo.dwY = 900;

     startupInfo.wShowWindow = SW_HIDE;

     if(::CreateProcess(program, (LPTSTR)args,

                        NULL,  // process security

                        NULL,  // thread security

                        FALSE, // no inheritance

                        0,     // no startup flags

                        NULL,  // no special environment

                        NULL,  // default startup directory

                        &startupInfo,

                        &processInfo))

        {

            //延迟0.5s，等待进程创建成功

            Sleep(500);

            while(true)

            {

                ::EnumWindows(&EnumWindowsProc, processInfo.dwThreadId);//Iterate all windows

                if(NULL != apphWnd)

                    break;

            }

            hPro = processInfo.hProcess;

             

        }

     return hPro;

}

if(apphWnd != NULL)

    {

        OnQuit();

    }

 

    CRect rect;

    GetClientRect(&rect);//get our dialog size into rect

     hProcess=StartProcess("我的工具.exe","");//Start ms paint

    if(apphWnd!=NULL)//check for window handle

        {

             

            ::SetParent(apphWnd,m_hWnd);//set parent of ms paint to our dialog.

            SetWindowLong(apphWnd, GWL_STYLE, WS_VISIBLE);//eraze title of ms paint window.

            //Positioning ms paint.

            ::MoveWindow(apphWnd, rect.left, rect.top,rect.right, rect.bottom, true);

            //窗口重绘，（因创建exe时，设置为SW_HIDE,导致exe窗口会被父窗口覆盖一部分)

            Invalidate();

            ::UpdateWindow(apphWnd);

            ::ShowWindow(apphWnd,SW_SHOW);

        }

    else

        MessageBox("Cannot find Window");

OnQuit()

{

    TerminateProcess(hProcess,0);

    apphWnd = NULL;

}