寫注冊表字符串值:
1 //訪問注冊表，hKEY則保存此函數所打開的鍵的句柄
2 HKEY hKey;
3 //如果無法打開hKEY,則創建
4 if (ERROR_SUCCESS != RegOpenKeyEx(HKEY_LOCAL_MACHINE, "SOFTWARE\\EMFPrinter"
5 , 0, KEY_READ|KEY_WRITE|KEY_SET_VALUE, &hKey))
6 {
7 if (ERROR_SUCCESS != RegCreateKey(HKEY_LOCAL_MACHINE,"SOFTWARE\\EMFPrinter",&hKey))
8
9 {
10 LOG("創建注冊表 %s 失敗", hKey);
11 return FALSE;
12 }
13 }
14
15 DWORD dwTypeString = REG_SZ;
16 TCHAR pDirBuf[255] = {0};
17 DWORD len = 255;
18 //如果無法查詢有關的注冊表信息，設置相關注冊表信息
19 if (ERROR_SUCCESS != RegQueryValueEx(hKey, "", 0, &dwTypeString,(LPBYTE)pDirBuf, &len))
20 {
21 RegSetValueEx(hKey, "", 0, REG_SZ,NULL, 0);
22 }
23 RegCloseKey(hKey);
讀取注冊表中DWORD值并且改變其值：
1 CString sPrinterRegPath = "SYSTEM\\CurrentControlSet\\Control\\Print\\Printers\\dd";
2 HKEY hkey;
3 if (ERROR_SUCCESS != RegOpenKeyEx(HKEY_LOCAL_MACHINE, sPrinterRegPath, 0, KEY_READ|KEY_WRITE|KEY_SET_VALUE,
4 &hkey))
5 {
6 LOG("打開打印機注冊表項%s失敗", sPrinterRegPath);
7 return FALSE;
8 }
9
10 DWORD dwTypeString = REG_SZ;
11 DWORD len = 255;
12 DWORD dwValue;
13 DWORD dwData = 1;
14 //如果存在有關的注冊表信息，修改相關注冊表信息
15 if (ERROR_SUCCESS == RegQueryValueEx(hkey, "123", 0, &dwTypeString,(BYTE*)&dwValue, &len))
16 {
17 if (ERROR_SUCCESS == RegSetValueEx(hkey, "123", 0, REG_DWORD,(LPBYTE)&dwData, sizeof(DWORD)))
18 {
19 LOG("修改注冊表成功！")
20 }
21 }
posted on 2012-04-13 17:54
王海光 閱讀(1025)
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