使用Windows安装的最高版本IE内核加载内嵌页(转载)

 1 void ChangeRegedit(const wchar_t* pExeName)
 2 {
 3 if ( NULL == pExeName )
 4 return ;
 5 TCHAR szVersion[64] = {0};   
 6 DWORD dwSize = 64;   
 7 HKEY hKey;
 8 // 先获取IE版本
 9 if (ERROR_SUCCESS == RegOpenKeyEx(HKEY_LOCAL_MACHINE, TEXT("SOFTWARE\\Microsoft\\Internet Explorer"), 0, KEY_READ, &hKey))
10 {
11 //首先读取IE11的位置
12 DWORD dwIeVersion = 0;
13 if ( ERROR_SUCCESS == RegQueryValueEx(hKey, L"svcVersion", 0, NULL, (LPBYTE)szVersion, &dwSize) )
14 {
15 TCHAR *pos = _tcschr(szVersion, TEXT(‘.‘));
16 if ( pos )
17 dwIeVersion = _ttoi(szVersion);
18 }
19 if ( dwIeVersion == 0 )
20 {//读取IE低版本的位置
21 if ( ERROR_SUCCESS == (hKey, L"Version", 0, NULL, (LPBYTE)szVersion, &dwSize) )
22 {
23 TCHAR *pos = _tcschr(szVersion, TEXT(‘.‘));
24 if (NULL == pos)
25 {
26 RegCloseKey(hKey);
27 return ;
28 }
29 *pos = 0;
30 dwIeVersion = _ttoi(szVersion);
31 }
32 }
33 RegCloseKey(hKey);
34 switch( dwIeVersion )
35 {
36 case 11: dwIeVersion = 11001; break;
37 case 10: dwIeVersion = 10001; break;
38 case 9: dwIeVersion = 9999; break;
39 case 8: dwIeVersion = 8888; break;
40 default: return ;
41 }
42 // 设置应用程序使用的IE版本
43 if (ERROR_SUCCESS == RegOpenKeyEx(HKEY_LOCAL_MACHINE, L"SOFTWARE\\Microsoft\\Internet Explorer\\MAIN\\FeatureControl\\FEATURE_BROWSER_EMULATION", 0, KEY_WRITE, &hKey))
44 {
45 dwSize = sizeof(dwIeVersion);
46 RegSetValueEx(hKey, pExeName, 0, REG_DWORD, (LPBYTE)&dwIeVersion, dwSize);
47 RegCloseKey(hKey);
48 }
49 }
50 }