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【C#】获取已安装的NETFramework版本集合

news 2025/7/22 17:44:44

代码

    /// <summary>/// Windows信息/// </summary>public partial class WindowsInfo{/// <summary>/// 获取已安装的NETFramework版本集合/// </summary>/// <returns></returns>public static List<string> GetInstalledNETFrameworkVersions(){List<string> installedNETFrameworkVersions = new List<string>();RegistryKey ndpKey = RegistryKey.OpenRemoteBaseKey(RegistryHive.LocalMachine, Dns.GetHostName()).OpenSubKey(@"SOFTWARE\Microsoft\NET Framework Setup\NDP\");foreach (string versionKeyName in ndpKey.GetSubKeyNames()){if (versionKeyName.StartsWith("v", false, System.Globalization.CultureInfo.CurrentCulture)){RegistryKey versionKey = ndpKey.OpenSubKey(versionKeyName);string name = (string)versionKey.GetValue("Version", "");string sp = versionKey.GetValue("SP", "").ToString();string install = versionKey.GetValue("Install", "").ToString();if (install == "") //no install info, must be later.{installedNETFrameworkVersions.Add(versionKeyName + " " + name);}else{if (sp != "" && install == "1"){installedNETFrameworkVersions.Add(versionKeyName + " " + name + " SP" + sp);}}if (name != ""){continue;}foreach (string subKeyName in versionKey.GetSubKeyNames()){RegistryKey subKey = versionKey.OpenSubKey(subKeyName);name = (string)subKey.GetValue("Version", "");if (name != "")sp = subKey.GetValue("SP", "").ToString();install = subKey.GetValue("Install", "").ToString();if (install == "") //no install info, must be later.{installedNETFrameworkVersions.Add(versionKeyName + " " + name);}else{if (sp != "" && install == "1"){installedNETFrameworkVersions.Add(subKeyName + " " + name + " SP" + sp);}else if (install == "1"){installedNETFrameworkVersions.Add(subKeyName + " " + name);}}}}}return installedNETFrameworkVersions;}}

可以获取下面的信息

Installed .NET Framework:
v1.1.4322 SP0
1033 SP0
v2.0.50727 2.0.50727.4927 SP2
v3.0 3.0.30729.4926 SP2
v3.5 3.5.30729.4926 SP1
v4
Client 4.8.03752
Full 4.8.03752
v4.0
Client 4.0.0.0

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