Delphi DLL

Get a Related Item as Text

Demonstrates the Chilkat Email.GetRelatedString method, which returns the text of a related item (with CR line-endings), interpreting the item's bytes using the supplied charset. It is intended for text-based related items such as style sheets. The first argument is the zero-based related-item index and the second is the charset. This example reads an embedded CSS style sheet as text.

Background: Not every related item is a binary image — some are text, like a CSS style sheet embedded so the HTML renders consistently offline. For those, GetRelatedString decodes the bytes back to characters using the charset you specify (typically utf-8). For binary related items such as images, read the raw data via the BinData-based accessor instead. This variant normalizes line endings to bare CR; use GetRelatedStringCrLf when you need CRLF.

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var
email: HCkEmail;
content: PWideChar;

begin
//  Demonstrates the GetRelatedString method, which returns the text of a related item (with
//  CR line-endings), interpreting the bytes using the specified charset.  This is intended
//  for text-based related items such as style sheets.  The index is zero-based.

email := CkEmail_Create();
CkEmail_putSubject(email,'GetRelatedString example');

//  The HTML references a related style sheet by name (Content-Location).
CkEmail_SetHtmlBody(email,'<html><head><link rel="stylesheet" href="styles.css"/></head><body>Styled.</body></html>');

//  Add the related style sheet (index 0).
CkEmail_AddRelatedString2(email,'styles.css','body { color: navy; }','utf-8');

//  Get the first related item (index 0) as text, interpreting the bytes as utf-8.
content := CkEmail__getRelatedString(email,0,'utf-8');
Memo1.Lines.Add('Related item 0 text: ' + content);

CkEmail_Dispose(email);