private static FrameworkInstallation GetFromV4(RegistryKey subKey, string subKeyName)
{
var hasRelease = int.TryParse(
subKey.GetValue("Release", null)?.ToString(), out var release);
Version version = null;
if (hasRelease)
{
// 4.5+
var displayableVersion = GetNetFxVersionFromRelease(release);
if (displayableVersion != null)
{
version = displayableVersion;
}
}
if (version == null)
{
version = ParseOrNull(subKey.GetString("Version"));
}
FrameworkProfile?profile = null;
switch (subKeyName)
{
case "Full":
profile = FrameworkProfile.Full;
break;
case "Client":
profile = FrameworkProfile.Client;
break;
}
return(new FrameworkInstallation
{
Profile = profile,
Version = version,
ServicePack = subKey.GetInt("SP"),
Release = hasRelease ? release : null as int?
});
}
/// <summary>
/// 从注册表中读取 Int 型数值。
/// </summary>
/// <param name="name">键值名称。</param>
/// <returns>Int 型数值。</returns>
public static int GetInt(this RegistryKey This, string name)
{
return(This.GetInt(name, 0));
}
public static int GetInt(string name)
{
return(MainRegistry.GetInt(name));
}
