C#操作IIS建立應用程式集區出現異常：無效索引的解決方案

C#操作IIS建立應用程式集區出現異常：無效索引的解決方案

相關代碼：

public static string CreateAppPool(string appPoolName, string frameworkVersion, string managedPipelineMode)         {             DirectoryEntry rootfolder = new DirectoryEntry("IIS://localhost/W3SVC/APPPOOLS");             try             {                 DirectoryEntry appPool = rootfolder.Children.Add(appPoolName, "IIsApplicationPool");                 if (appPool.Properties.Contains("AppPoolCommand"))                 {                     appPool.Properties["AppPoolCommand"][0] = "1";                 }                 if (appPool.Properties.Contains("ManagedRuntimeVersion"))                 {                     appPool.Properties["ManagedRuntimeVersion"][0] = "v4.0";                 }                 //以下代碼在WindowsServer2008版本為6.0的系統上會出現異常：                 //無效索引（Exception from HRESULT:0x80070585）                 //if (appPool.Properties.Contains("AppPoolIdentityType"))                 //{                 //    appPool.Properties["AppPoolIdentityType"][0] = "4";                 //}                 if (appPool.Properties.Contains("Enable32BitAppOnWin64"))                 {                     appPool.Properties["Enable32BitAppOnWin64"][0] = true;                 }                 appPool.CommitChanges();                 return null;             }             catch (System.Exception ex)             {                 LogToFile.Save(ex, "CreateAppPool");                 return ex.Message;             }         }

將相關代碼注釋以後，未見對Web應用程式帶來任何影響。