/// <summary>
/// Get information about enabled and disabled windows features. Works on Windows 7 and newer.
/// </summary>
public static ICollection <WindowsFeatureInfo> GetWindowsFeatures()
{
var features = new List <WindowsFeatureInfo>();
var searcher = new ManagementObjectSearcher(new ManagementScope(),
new ObjectQuery("select * from Win32_OptionalFeature"),
new EnumerationOptions(null, TimeSpan.FromSeconds(35), 100, false, false, false, false, false, false, false));
using (var moc = searcher.Get())
{
var items = moc.Cast <ManagementObject>().ToList();
foreach (var managementObject in items)
{
var featureInfo = new WindowsFeatureInfo();
foreach (var property in managementObject.Properties)
{
if (property.Name == "Caption")
{
featureInfo.DisplayName = property.Value.ToString();
}
else if (property.Name == "InstallState")
{
var status = (uint)property.Value;
if (status == 2)
{
featureInfo.Enabled = false;
}
else if (status == 1)
{
featureInfo.Enabled = true;
}
else
{
featureInfo.FeatureName = null;
break;
}
}
else if (property.Name == "Name")
{
featureInfo.FeatureName = property.Value.ToString();
}
}
if (string.IsNullOrEmpty(featureInfo.FeatureName))
{
continue;
}
features.Add(featureInfo);
}
}
return(features);
}
private static WindowsFeatureInfo FromDismOutput(string output)
{
var result = new WindowsFeatureInfo();
foreach (var line in output
.Split(StringTools.NewLineChars.ToArray(), StringSplitOptions.RemoveEmptyEntries))
{
if (!line.Contains(':'))
{
continue;
}
var data = line.Substring(line.IndexOf(':') + 1).TrimStart();
if (line.StartsWith("Feature Name", StringComparison.Ordinal))
{
result.FeatureName = data;
}
else if (line.StartsWith("State", StringComparison.Ordinal))
{
result.Enabled = data.Equals("Enabled", StringComparison.InvariantCultureIgnoreCase);
}
else if (line.StartsWith("Display Name", StringComparison.Ordinal))
{
result.DisplayName = data;
}
else if (line.StartsWith("Restart Required", StringComparison.Ordinal))
{
result.RestartRequired = data;
}
else if (line.StartsWith("Description", StringComparison.Ordinal))
{
result.Description = data;
}
}
return(string.IsNullOrEmpty(result.FeatureName) ? null : result);
}
