/// <summary>
/// 获取.net 4.0或以上的版本信息
/// </summary>
/// <param name="versionKey"></param>
/// <returns></returns>
private static DotNetFrameworkInfo GetV4NetFrameworkInfo(RegistryKey versionKey)
{
DotNetFrameworkInfo info = null;
var install = versionKey.GetValue("Install", "").ToString();
if (!string.IsNullOrEmpty(install))
{
var keyName = versionKey.Name;
var name = $"v{versionKey.GetValue("Version", "")} {keyName.Substring(keyName.LastIndexOf('\\') + 1)}";
var installPath = versionKey.GetValue("InstallPath", "").ToString();
var sp = versionKey.GetValue("SP", "").ToString();
info = new DotNetFrameworkInfo(name, name, installPath, sp);
}
return(info);
}
/// <summary>
/// 获取已安装的.NET Framework版本信息
/// </summary>
/// <returns></returns>
public static DotNetFrameworkInfo[] GetAllNetFrameworkInfo()
{
RegistryKey ndpKey = RegistryKey.OpenRemoteBaseKey(RegistryHive.LocalMachine, "").
OpenSubKey(@"SOFTWARE\Microsoft\NET Framework Setup\NDP\");
List <DotNetFrameworkInfo> infoList = new List <DotNetFrameworkInfo>();
foreach (string versionKeyName in ndpKey.GetSubKeyNames())
{
if (versionKeyName.StartsWith("v"))
{
RegistryKey versionKey = ndpKey.OpenSubKey(versionKeyName);
var install = versionKey.GetValue("Install", "").ToString();
var version = versionKey.GetValue("Version", "").ToString();
var installPath = versionKey.GetValue("InstallPath", "").ToString();
var sp = versionKey.GetValue("SP", "").ToString();
if (!string.IsNullOrEmpty(install))
{
infoList.Add(new DotNetFrameworkInfo(versionKeyName, version, installPath, sp));
}
else
{
foreach (string subKeyName in versionKey.GetSubKeyNames())
{
RegistryKey subVersionKey = versionKey.OpenSubKey(subKeyName);
DotNetFrameworkInfo info = GetV4NetFrameworkInfo(subVersionKey);
if (info != null)
{
infoList.Add(info);
}
}
}
}
}
ndpKey.Close();
return(infoList.ToArray());
}