(Unicode C) Send HTML Email with Image Downloaded from URL

Demonstrates how to compose an HTML email with an embedded image where the image data is downloaded from a URL.

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#include <C_CkBinDataW.h>
#include <C_CkHttpW.h>
#include <C_CkMailManW.h>
#include <C_CkEmailW.h>

void ChilkatSample(void)
    {
    HCkBinDataW bdJpg;
    HCkHttpW http;
    BOOL success;
    HCkMailManW mailman;
    HCkEmailW email;
    const wchar_t *html;

    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    // First download the image we'll be adding to the HTML "img" tag.
    bdJpg = CkBinDataW_Create();
    http = CkHttpW_Create();
    success = CkHttpW_QuickGetBd(http,L"https://www.chilkatsoft.com/images/starfish.jpg",bdJpg);
    if (success == FALSE) {
        wprintf(L"%s\n",CkHttpW_lastErrorText(http));
        CkBinDataW_Dispose(bdJpg);
        CkHttpW_Dispose(http);
        return;
    }

    mailman = CkMailManW_Create();

    // Use your SMTP server..
    CkMailManW_putSmtpHost(mailman,L"smtp.yourserver.com");
    CkMailManW_putSmtpPort(mailman,587);
    CkMailManW_putStartTLS(mailman,TRUE);

    // Set the SMTP login/password
    CkMailManW_putSmtpUsername(mailman,L"my_login");
    CkMailManW_putSmtpPassword(mailman,L"my_password");

    // Create an HTML email.
    email = CkEmailW_Create();
    CkEmailW_putSubject(email,L"HTML Email with Image");
    CkEmailW_putFrom(email,L"Dave <somebody@mydomain.com>");
    CkEmailW_AddTo(email,L"Chilkat",L"info@chilkatsoft.com");

    html = L"<html><body><p>This is an HTML email with an embedded image.</p><p><img src=\"starfish.jpg\" /></p></body></html>";
    CkEmailW_SetHtmlBody(email,html);

    // Note: The "starfish.jpg" here must match the name in the "img" tag's "src" attribute in the HTML above.
    success = CkEmailW_AddRelatedBd2(email,bdJpg,L"starfish.jpg");
    if (success == FALSE) {
        wprintf(L"%s\n",CkEmailW_lastErrorText(email));
        CkBinDataW_Dispose(bdJpg);
        CkHttpW_Dispose(http);
        CkMailManW_Dispose(mailman);
        CkEmailW_Dispose(email);
        return;
    }

    CkEmailW_SaveEml(email,L"qa_output/out.eml");

    // success = mailman.SendEmail(email);
    // if (success == ckfalse) {
    //     println mailman.LastErrorText;
    //     return;
    // }
    // 
    // ignore = mailman.CloseSmtpConnection();

    wprintf(L"Success.\n");


    CkBinDataW_Dispose(bdJpg);
    CkHttpW_Dispose(http);
    CkMailManW_Dispose(mailman);
    CkEmailW_Dispose(email);

    }