// 检测文件关联情况 // strExt: 要检测的扩展名(例如: ".txt") // strAppKey: ExeName扩展名在注册表中的键值(例如: "txtfile") // 返回TRUE: 表示已关联,FALSE: 表示未关联 BOOL CheckFileRelation(const char *strExt, const char *strAppKey) { int nRet = FALSE; HKEY hExtKey; char szPath[_MAX_PATH]; DWORD dwSize = sizeof(szPath); if (RegOpenKey(HKEY_CLASSES_ROOT, strExt, &hExtKey) == ERROR_SUCCESS) { RegQueryValueEx(hExtKey, NULL, NULL, NULL, (LPBYTE)szPath, &dwSize); if (_stricmp(szPath, strAppKey) == 0) { nRet = TRUE; } RegCloseKey(hExtKey); return nRet; } return nRet; } //--------------------------------------------------------------------------- // 注册文件关联 // strExe: 要检测的扩展名(例如: ".txt") // strAppName: 要关联的应用程序名(例如: "C:MyAppMyApp.exe") // strAppKey: ExeName扩展名在注册表中的键值(例如: "txtfile") // strDefaultIcon: 扩展名为strAppName的图标文件(例如: "C:MyAppMyApp.exe,0") // strDescribe: 文件类型描述 void RegisterFileRelation(char *strExt, char *strAppName, char *strAppKey, char *strDefaultIcon, char *strDescribe) { char strTemp[_MAX_PATH]; HKEY hKey; RegCreateKey(HKEY_CLASSES_ROOT, strExt, &hKey); RegSetValue(hKey, "", REG_SZ, strAppKey, strlen(strAppKey) + 1); RegCloseKey(hKey); RegCreateKey(HKEY_CLASSES_ROOT, strAppKey, &hKey); RegSetValue(hKey, "", REG_SZ, strDescribe, strlen(strDescribe) + 1); RegCloseKey(hKey); sprintf(strTemp, "%s\DefaultIcon", strAppKey); RegCreateKey(HKEY_CLASSES_ROOT, strTemp, &hKey); RegSetValue(hKey, "", REG_SZ, strDefaultIcon, strlen(strDefaultIcon) + 1); RegCloseKey(hKey); sprintf(strTemp, "%s\Shell", strAppKey); RegCreateKey(HKEY_CLASSES_ROOT, strTemp, &hKey); RegSetValue(hKey, "", REG_SZ, "Open", strlen("Open") + 1); RegCloseKey(hKey); sprintf(strTemp, "%s\Shell\Open\Command", strAppKey); RegCreateKey(HKEY_CLASSES_ROOT, strTemp, &hKey); sprintf(strTemp, "%s "%%1"", strAppName); RegSetValue(hKey, "", REG_SZ, strTemp, strlen(strTemp) + 1); RegCloseKey(hKey); } //测试代码 //增加注册表关联 char strExt[10] = ".car"; char strAppKey[30] = "FW_readcar.1.0"; BOOL relationExists = CheckFileRelation(strExt, strAppKey); if (!relationExists) { char strAppName[MAX_PATH + 1] = {0}; strcpy(strAppName,argv[0]); char strDefaultIcon[MAX_PATH + 1] = ""; char strDescribe[100] = "WellTest Interpretation Files"; RegisterFileRelation(strExt, strAppName, strAppKey, strDefaultIcon, strDescribe); }