private static void Get1To45VersionFromRegistry()
{
using var ndpKey = Registry.LocalMachine.OpenSubKey(DotnetFrameworkRegistryKey);
var versionKeyNames = ndpKey
.GetSubKeyNames()
.Where(versionKeyName => versionKeyName.StartsWith("v"))
.Where(versionKeyName => versionKeyName != DotnetFramework45Key)
.ToList();
foreach (var versionKeyName in versionKeyNames)
{
using var versionKey = ndpKey.OpenSubKey(versionKeyName);
var registryInfo = DotnetRegistry.FromRegistryKey(versionKey);
Write(registryInfo);
if (!string.IsNullOrEmpty(registryInfo.Name))
{
continue;
}
foreach (var subVersionKeyName in versionKey.GetSubKeyNames())
{
using var subVersionKey = versionKey.OpenSubKey(subVersionKeyName);
var subRegistryInfo = DotnetRegistry.FromRegistryKeyAsChild(subVersionKey);
Write(subRegistryInfo);
}
}
}
private static void Write(DotnetRegistry registryInfo)
{
if (string.IsNullOrEmpty(registryInfo.InstallFlag))
{
Write(registryInfo.Name);
return;
}
if (!string.IsNullOrEmpty(registryInfo.ServicePack) && registryInfo.InstallFlag == "1")
{
Write(registryInfo.Name, registryInfo.ServicePack);
return;
}
if (registryInfo.IsChild && registryInfo.InstallFlag == "1")
{
Write(registryInfo.Name);
}
}
