private static bool IsRegistryExist()
{
RegistryKey key = Registry.CurrentUser.OpenSubKey(@"SOFTWARE\InfofixPosBilling");
//if it does exist, retrieve the stored values
if (key != null)
{
EncryptionDecryption encryption = new EncryptionDecryption();
registryValue = Convert.ToDateTime(encryption.Decryptdata(key.GetValue("ExpiryDate").ToString()));
key.Close();
return(true);
}
else
{
return(false);
}
}