Read the REST Response Body into a StringBuilder

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Demonstrates Rest.ReadRespSb, which reads the response body as text into a StringBuilder, replacing its previous contents.

Background. The staged request model separates sending from reading: a SendReq method transmits the request, ReadResponseHeader reads the status line and headers, and a ReadResp method reads the body. This gives fine control over large or streamed messages compared with the single-call full-request methods.

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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;
}

success = rest.SendReqNoBody("GET","/api/items/123");
if (success == false) {
    Debug.WriteLine(rest.LastErrorText);
    return;
}

int statusCode = rest.ReadResponseHeader();
if (statusCode < 0) {
    Debug.WriteLine(rest.LastErrorText);
    return;
}

//  Read the response body as text into a StringBuilder, replacing its previous contents.
Chilkat.StringBuilder sbResponse = new Chilkat.StringBuilder();
success = rest.ReadRespSb(sbResponse);
if (success == false) {
    Debug.WriteLine(rest.LastErrorText);
    return;
}

string responseBody = sbResponse.GetAsString();
if (sbResponse.LastMethodSuccess == false) {
    Debug.WriteLine(sbResponse.LastErrorText);
    return;
}

Debug.WriteLine(responseBody);