Set a Multipart Part Body from a String

Demonstrates Rest.SetMultipartBodyString, which sets the text body of the currently selected multipart part.

Background. A multipart request is assembled part by part: the part selector chooses the part being built, header fields describe it, and a SetMultipartBody method supplies its content. The request is then sent with a multipart send or full-request method.

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bool success = false;

Chilkat.Rest rest = new Chilkat.Rest();
bool bTls = true;
bool bAutoReconnect = true;
success = rest.Connect("example.com",443,bTls,bAutoReconnect);
if (success == false) {
    Debug.WriteLine(rest.LastErrorText);
    return;
}

//  Select the multipart part to build, and set its header fields.
rest.PartSelector = "1";
rest.AddHeader("Content-Disposition","form-data; name=\"field1\"");
rest.AddHeader("Content-Type","text/plain");

//  Set the text body of the selected multipart part.
success = rest.SetMultipartBodyString("value1");
if (success == false) {
    Debug.WriteLine(rest.LastErrorText);
    return;
}

//  Send the multipart request using the configured part(s).
string responseText = rest.FullRequestMultipart("POST","/api/upload");
if (rest.LastMethodSuccess == false) {
    Debug.WriteLine(rest.LastErrorText);
    return;
}

Debug.WriteLine(responseText);