HTTP HEAD Request

Simple HTTP HEAD request to download only the HTTP header.

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

bool success;

//  Any string unlocks the component for the 1st 30-days.
success = http.UnlockComponent("Anything for 30-day trial");
if (success != true) {
    MessageBox.Show(http.LastErrorText);
    return;
}

//  Send the HEAD request and get the response.
Chilkat.HttpResponse response = null;
response = http.GetHead("http://www.chilkatsoft.com/");

if (response == null ) {
    MessageBox.Show(http.LastErrorText);
}
else {

    //  Show the HTTP response code and header received.
    textBox1.Text += "HTTP response code: " + "\r\n";
    textBox1.Text += response.StatusCode + "\r\n";

    textBox1.Text += "---- FULL HEADER ----" + "\r\n";
    textBox1.Text += response.Header + "\r\n";
    textBox1.Text += "---------------------" + "\r\n";

    //  How big will the full response be?  This is a good way to
    //  check the size of a download (if the URL is a .zip)
    textBox1.Text += "Size of resource = " + response.ContentLength + "\r\n";

}