(.NET Core C#) HTTP POST with Binary Data in Request Body

Do an HTTPS POST with a binary request body.

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

Chilkat.Http http = new Chilkat.Http();
bool success;

Chilkat.FileAccess fac = new Chilkat.FileAccess();

byte[] reqBody = null;
reqBody = fac.ReadEntireFile("qa_data/pdf/helloWorld.pdf");

string responseStr = http.PostBinary("https://example.com/something",reqBody,"application/pdf",false,false);
if (http.LastMethodSuccess == false) {
    Debug.WriteLine(http.LastErrorText);
    return;
}

int responseStatusCode = http.LastStatus;
Debug.WriteLine("Status code: " + Convert.ToString(responseStatusCode));

// For example, if the response is XML, JSON, HTML, etc.
Debug.WriteLine("response body:");
Debug.WriteLine(responseStr);