private void LoadSignature()
{
if (m_signature == null)
{
var peFile = DeclaringType.Module.PEFile;
var bytes = peFile.ReadBlob(m_pRow->GetSignatureOffset(peFile));
var signature = SignatureParser.ParseMethodSignature(bytes, this);
#pragma warning disable 420
Interlocked.CompareExchange(ref m_signature, signature, null);
#pragma warning restore 420
}
}