Managed C++/CLI - Parse winmail.dat (TNEF)¶

#include "stdafx.h"

using namespace System;
using namespace System::Text;
using namespace System::IO;
using namespace EAGetMail; //add EAGetMail namespace

void ParseEmail(String ^emlFile)
{
    Mail ^oMail = gcnew Mail("TryIt");
    oMail->Load(emlFile, false);

    if (oMail->IsEncrypted)
    {
        try
        {
            // This email is encrypted, we decrypt it by user default certificate.
            // you can also use specified certificate like this
            // Certificate ^oCert = gcnew Certificate();
            // oCert->Load("c:\\test.pfx", "pfxpassword",
            //      Certificate::CertificateKeyLocation::CRYPT_USER_KEYSET);
            // oMail = oMail->Decrypt(oCert);
            oMail = oMail->Decrypt(nullptr);
        }
        catch (Exception ^ep)
        {
            Console::WriteLine(ep->Message);
        }
    }

    if (oMail->IsSigned)
    {
        try
        {
            // This email is digital signed.
            EAGetMail::Certificate ^signerCert = oMail->VerifySignature();
            Console::WriteLine("This email contains a valid digital signature.");

            // You can add the certificate to your certificate storage like this
            // signerCert->AddToStore(
            //      Certificate::CertificateStoreLocation::CERT_SYSTEM_STORE_CURRENT_USER,
            //      "addressbook");
            // then you can use send the encrypted email back to this sender.
        }
        catch (Exception ^ep)
        {
            Console::WriteLine(ep->Message);
        }
    }

    // Decode winmail.dat (TNEF) and RTF body automatically
    oMail->DecodeTNEF();

    // Parse Mail From/Sender
    Console::WriteLine("From: {0}", oMail->From->ToString());

    // Parse Mail To/Recipient
    array<MailAddress^> ^addrs = oMail->To;
    for (int i = 0; i < addrs->Length; i++)
    {
        Console::WriteLine("To: {0}", addrs[i]->ToString());
    }

    // Parse Mail CC
    addrs = oMail->Cc;
    for (int i = 0; i < addrs->Length; i++)
    {
        Console::WriteLine("To: {0}", addrs[i]->ToString());
    }

    // Parse Mail Subject
    Console::WriteLine("Subject: {0}", oMail->Subject);

    // Parse Mail Text/Plain body
    Console::WriteLine("TextBody: {0}", oMail->TextBody);

    // Parse Mail Html Body
    Console::WriteLine("HtmlBody: {0}", oMail->HtmlBody);

    // Parse Attachments
    array<Attachment^> ^atts = oMail->Attachments;
    for (int i = 0; i < atts->Length; i++)
    {
        Console::WriteLine("Attachment: {0}", atts[i]->Name);
    }
}

int main(array<System::String ^> ^args)
{
    try
    {
        ParseEmail("c:\\my folder\\test.eml");
    }
    catch (Exception ^ep)
    {
        Console::WriteLine(ep->Message);
    }

    return 0;
}