CspParameters 对象已存在异常 解决多应用对同一容器的访问问题

 CspParameters cspParams; 
 cspParams = new CspParameters（PROVIDER_RSA_FULL）; 
 cspParams.KeyContainerName = "CONTAINER_NAME"; 
 cspParams.Flags = CspProviderFlags.UseMachineKeyStore; 
 //cspParams.ProviderName =“Microsoft Strong Cryptographic Provider”; 
 
 CryptoKeyAccessRule rule = new CryptoKeyAccessRule（“everyone”，CryptoKeyRights.FullControl，AccessControlType.Allow）; 
 
 cspParams.CryptoKeySecurity = new CryptoKeySecurity（）; 
 cspParams.CryptoKeySecurity.SetAccessRule（rule）;