(C#) Example: Http.DownloadAppend method

Demonstrates the DownloadAppend method.

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bool success = false;

success = false;

string targetPath = "c:/temp/qa_output/download.txt";

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

// Assume the target file in the local filesystem does not yet exist.
success = http.DownloadAppend("https://chilkatsoft.com/testData/helloWorld.txt",targetPath);
int statusCode = http.LastStatus;
if (statusCode == 0) {
    // Unable to either send the request or get the response.
    Debug.WriteLine(http.LastErrorText);
    return;
}

// Should be 200.
Debug.WriteLine("Response status code: " + Convert.ToString(statusCode));

// Examine the contents of the file.
Chilkat.StringBuilder sb = new Chilkat.StringBuilder();
sb.LoadFile(targetPath,"utf-8");
Debug.WriteLine(sb.GetAsString());

// Output: 
// Response status code: 200
// Hello World!

// Download another text file and append to the target file.
success = http.DownloadAppend("https://chilkatsoft.com/testData/this_is_a_test.txt",targetPath);
statusCode = http.LastStatus;
if (statusCode == 0) {
    // Unable to either send the request or get the response.
    Debug.WriteLine(http.LastErrorText);
    return;
}

// Should be 200.
Debug.WriteLine("Response status code: " + Convert.ToString(statusCode));

// Examine the contents of the file.
sb.LoadFile(targetPath,"utf-8");
Debug.WriteLine(sb.GetAsString());

// Output:
// Response status code: 200
// Hello World!This is a Test.

// Delete the local target file.
Chilkat.FileAccess fac = new Chilkat.FileAccess();
fac.FileDelete(targetPath);

// Try to download a file that does not exist:
success = http.DownloadAppend("https://chilkatsoft.com/testData/does_not_exist.txt",targetPath);
statusCode = http.LastStatus;
if (statusCode == 0) {
    // Unable to either send the request or get the response.
    Debug.WriteLine(http.LastErrorText);
}
else {
    // We got a response, and we already know it wasn't a 200 success response.
    // It should be a 404 not found.
    Debug.WriteLine("Response status code: " + Convert.ToString(statusCode));
    // Examine the response body.
    Debug.WriteLine("Response body:");
    Debug.WriteLine(http.LastResponseBody);
}