private static IEnumerable <Information> EnumerateInformationsFromKey(
RegistryKey key,
InformationFilterDelegate filter)
{
if (key == null)
{
yield break;
}
try
{
foreach (string subKeyName in key.GetSubKeyNames())
{
using (RegistryKey subKey = key.OpenSubKey(subKeyName, false))
{
if (subKey == null)
{
continue;
}
var info = new Information(subKey);
if (filter(info))
{
yield return(info);
}
}
}
}
finally
{
key.Close();
}
}
public static ICollection <Information> GetInformations(InformationFilterDelegate filter)
{
var infos = new List <Information>();
infos.AddRange(EnumerateInformationsFromKey(OpenUninstallKey(Registry.LocalMachine), filter));
infos.AddRange(EnumerateInformationsFromKey(OpenUninstallKeyWow6432(Registry.LocalMachine), filter));
infos.AddRange(EnumerateInformationsFromKey(OpenUninstallKey(Registry.CurrentUser), filter));
infos.AddRange(EnumerateInformationsFromKey(OpenUninstallKeyWow6432(Registry.CurrentUser), filter));
infos.Sort();
PathInformationsWithWindowsInstallerIcons(infos);
return(infos);
}
public static ICollection <Information> GetInformations(Regex regexp, InformationFilterDelegate filter)
{
return(GetInformations(info => filter(info) && regexp.IsMatch(info.DisplayName)));
}