讀取Windows下注冊表，適用於Window Mobile

讀取三步走：

1 opens the specified registry key ...using RegOpenKeyEx

 check

 ms-help://MS.VSCC.v80/MS.MSDN.v80/MS.WIN32COM.v10.en/sysinfo/base/regopenkeyex.htm

 

2 retrieves the type and data for a specified value... using RegQueryValueEx

check

ms-help://MS.VSCC.v80/MS.MSDN.v80/MS.WIN32COM.v10.en/sysinfo/base/regqueryvalueex.htm

 

3 releases a handle to the specified registry key...using RegCloseKey

check

ms-help://MS.VSCC.v80/MS.MSDN.v80/MS.WIN32COM.v10.en/sysinfo/base/regclosekey.htm

 

 

HKEY hKey = NULL; LRESULT lr = E_FAIL; LONG rc = NULL; DWORD dwValueDataLen = 1024; BYTE *dwValueData = (BYTE *) LocalAlloc(LMEM_FIXED, dwValueDataLen); DWORD dwValueType = 0; rc = RegOpenKeyEx(HKEY_LOCAL_MACHINE, TEXT("//System//Pictures//Camera//OEM//PictureLocation"), NULL, NULL, &hKey); if(rc == ERROR_SUCCESS) { lr = RegQueryValueEx(hKey, TEXT("Internal"), NULL,&dwValueType, (LPBYTE)dwValueData, &dwValueDataLen); MessageBox((LPCTSTR)dwValueData, TEXT("SUCCESS"), MB_OK); RegCloseKey(hKey); } else { MessageBox(TEXT("Failed!"), TEXT("!"), MB_OK); }