/// <summary>
/// Deletes the registry sub key.
/// </summary>
/// <param name="key">The key.</param>
public static void DeleteKey(this RegistryKey key)
{
var startingKey = key.OriginatingHive();
var path = key.GetPath();
var lastIndexOf = path.LastIndexOf('\\');
var keyName = path.Substring(lastIndexOf + 1);
var parentPath = path.Substring(0, lastIndexOf);
var parentKey = startingKey.OpenSubKey(parentPath, true);
parentKey.DeleteSubKeyTree(keyName);
}
