Delphi ActiveX

Load an Email from MIME in a BinData

Demonstrates the Chilkat Email.SetFromMimeBd method, which loads an email from the MIME stored in a BinData object. On success, it replaces the entire current email. This example serializes one email into a BinData with GetMimeBd, then reconstructs it in a second object.

Background: This is the binary counterpart to SetFromMimeText and SetFromMimeSb. When a message's raw MIME arrives as bytes — read from a file, a socket, or a database blob into a BinData — loading it directly avoids any lossy or awkward byte-to-text conversion, which matters because MIME can carry binary transfer encodings.

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var
success: Integer;
source: TChilkatEmail;
bdMime: TChilkatBinData;
email: TChilkatEmail;

begin
success := 0;

//  Demonstrates the SetFromMimeBd method, which loads an email from MIME stored in a BinData
//  object.  On success, it replaces the entire current email.

//  Build a source email and serialize its MIME into a BinData.
source := TChilkatEmail.Create(Self);
source.Subject := 'Source message';
source.From := 'alice@example.com';
source.Body := 'Hello from a BinData.';
bdMime := TChilkatBinData.Create(Self);
source.GetMimeBd(bdMime.ControlInterface);

//  Load a new email object from the BinData MIME.
email := TChilkatEmail.Create(Self);

success := email.SetFromMimeBd(bdMime.ControlInterface);
if (success = 0) then
  begin
    Memo1.Lines.Add(email.LastErrorText);
    Exit;
  end;

Memo1.Lines.Add('Loaded subject: ' + email.Subject);