AtlAxWinInit疑问

// WebBrowser.cpp : 定义应用程序的入口点。//#include "stdafx.h"#include "WebBrowser.h"HWND hWndWeb;typedef HRESULT (WINAPI *pAtlAxGetControl)(HWND,void**);pAtlAxGetControl MyAtlAxGetControl;IWebBrowser2 *web;BOOL CALLBACK DlgFunc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam){  switch(message) { case WM_INITDIALOG: {  IUnknown *pp;  hWndWeb = GetDlgItem(hDlg,IDC_CUSTOM1);  MyAtlAxGetControl(hWndWeb,(void**)&pp); // MyAtlAxGetControl是在WinMain函数中初始化函数指针的。同样不能用SDK中的 AtlAxGetControl  pp->QueryInterface(IID_IWebBrowser2,(void **)&web);  web->Navigate(L"http://box.zhangmen.baidu.com/m?word=mp3,,,[if]&cat=0&gate=1&ct=134217728&tn=baidumt,if++&si=if;;naby;;0;;0&lm=-1&mtid=36&d=7&size=3670016&attr=0,0&titlekey=1846109801,7955041&mtype=1",NULL,NULL,NULL,NULL);  web->Release();    } return (TRUE); case WM_CLOSE:    {        EndDialog(hDlg,0);    } return (TRUE); case WM_COMMAND: switch (LOWORD(wParam)) { case IDCANCEL:      {        SendMessage(hDlg, WM_CLOSE, 0, 0);      }      return (TRUE); case IDOK:      {              }  return (TRUE); case IDC_BUTTON1:  {  WCHAR Url[MAX_PATH*2];  GetDlgItemText(hDlg,IDC_EDIT1,Url,MAX_PATH);  web->Navigate(Url,NULL,NULL,NULL,NULL);  } } return (FALSE); } return (FALSE);}int APIENTRY WinMain( __in HINSTANCE hInstance, __in_opt HINSTANCE hPrevInstance, __in LPSTR lpCmdLine, __in int nShowCmd ){ HMODULE hModule =LoadLibrary(L"atl"); DWORD dwFunc = (DWORD)GetProcAddress(hModule,"AtlAxWinInit"); _asm { call dwFunc; } //AtlAxWinInit() 如果不使用上面那种方式，不会注册到窗口类 和 传说中的消息，导致窗口一闪即逝  MyAtlAxGetControl = (pAtlAxGetControl)GetProcAddress(hModule,"AtlAxGetControl"); DialogBoxParam(hInstance,MAKEINTRESOURCE(IDD_DIALOG1),NULL,DlgFunc,NULL);//模态对话框，窗口关闭后程序往下执行 return 1;}