如何以编程方式检查 Windows Server 2008 中是否安装了服务器功能?

问题描述：

具体来说，如果安装了桌面体验"功能，我正在使用一个只能在 Server 2008 上运行的应用程序，我想让该应用程序的安装程序验证它是否存在.

Specifically, I'm working with an application that only runs on Server 2008 if the "Desktop Experience" feature is installed, and I'd like to have that application's installer verify it's there.

我目前知道的唯一方法是运行 ServerManagerCmd -query 并解析输出；我更喜欢更轻量级的东西(比如检查注册表项).

The only way I'm aware of currently is to run ServerManagerCmd -query and parse the output; I'd prefer something more lightweight (like checking a registry key).

答

这是我在运行时使用的代码片段.

This is a code snippet of what I use to do it at runtime.

public static bool isServerFeatureInstalled(Win32_ServerFeature_ID id)
{
    bool idFound = false;
    ConnectionOptions connectionOptions = new ConnectionOptions();
    ManagementScope managementScope =
        new ManagementScope(
            @"\\localhost\root\cimv2", connectionOptions);

    ObjectQuery oQuery =
        new ObjectQuery("SELECT Id FROM Win32_ServerFeature");
    ManagementObjectSearcher oSearcher =
        new ManagementObjectSearcher(managementScope, oQuery);
    ManagementObjectCollection oReturnCollection = oSearcher.Get();

    foreach (ManagementObject oReturn in oReturnCollection)
    {
        if ((uint) (oReturn["ID"]) == (uint) id)
        {
            return true;
        }
    }
    return idFound;
}

// short list of names and values taken from MSDN. 
public enum Win32_ServerFeature_ID
{
    Application_Server = 1,
    Web_Server = 2,
    Media_Server = 3,
    Windows_Sharepoint_Services = 4,
    Fax_Server = 5,
    File_Services = 6,
    Print_Services = 7,
    Active_Directory_Federation_Services = 8,
    Active_Directory_Lightweight_Directory_Services = 9,
    Active_Directory_Domain_Services = 10,
    UDDI_Services = 11,
    DHCP_Server = 12,
    DNS_Server = 13,
    Network_Policy_and_Access_Services = 14,
    Certificate_Server = 16,
    Active_Directory_Rights_Management_Services = 17,
    Terminal_Services = 18,
    Windows_Deployment_Services = 19,
    Failover_Clustering = 33,
    Network_Load_Balancing = 34,
    Desktop_Experience = 35,
    DOTNET_Framework_30 = 36,
}

如何以编程方式检查 Windows Server 2008 中是否安装了服务器功能?

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