static string GetPublicKeyToken(Assembly assembly, AssemblyName assemblyName)
{
string publicKeyToken = null;
if (assembly.GlobalAssemblyCache)
{
byte[] token = assemblyName.GetPublicKeyToken();
string tokenString = new SoapHexBinary(token).ToString();
publicKeyToken = tokenString.ToLowerInvariant();
}
return(publicKeyToken);
}