private static void PerformRegistryOperation(string languagePackType, string culture, GrayException.UserCodeDelegate function)
{
try
{
function();
}
catch (SecurityException innerException)
{
string regKeyPath = UmLanguagePack.GetRegKeyPath(true, languagePackType);
throw new RegistryInsufficientPermissionException(regKeyPath, culture, innerException);
}
}
private void DeleteRegKeyAndValue(string key, string value)
{
string regKeyPath = UmLanguagePack.GetRegKeyPath(false, key);
bool flag;
using (RegistryKey registryKey = Registry.LocalMachine.OpenSubKey(regKeyPath, true))
{
registryKey.DeleteValue(value, false);
string[] valueNames = registryKey.GetValueNames();
flag = (valueNames.Length > 0);
}
if (!flag)
{
using (RegistryKey registryKey2 = Registry.LocalMachine.OpenSubKey("SOFTWARE\\Microsoft\\ExchangeServer\\v15\\UnifiedMessagingRole", true))
{
registryKey2.DeleteSubKey(key);
}
}
}
private void AddRegKeyValue(string languagePackType, string culture, Guid productCode)
{
string regKeyPath = UmLanguagePack.GetRegKeyPath(true, languagePackType);
Registry.SetValue(regKeyPath, culture, productCode.ToString(), RegistryValueKind.String);
}