(C# UWP/WinRT) S3 Download Specific Version of File

Demonstrates how to download a file from the Amazon S3 service using the versionId query parameter.

Note: This example requires Chilkat v9.5.0.89 or later. (A problem regarding AwsSubResources w/ downloads was fixed shortly after the v9.5.0.88 release.)

Chilkat Universal Windows Platform (UWP) / WinRT Downloads Chilkat for the Universal Windows Platform (UWP)

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

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

http.AwsAccessKey = "AWS_ACCESS_KEY";
http.AwsSecretKey = "AWS_SECRET_KEY";
http.S3Ssl = true;
http.AwsRegion = "us-east-1";
http.AwsEndpoint = "s3.amazonaws.com";
http.AwsSubResources = "versionId=x8UPzRsgskmbe55lEQvhLi25PQl2lcFH";

string bucketName = "chilkat100";
string objectName = "frenchUtf8.txt";
string localFilePath = "qa_output/frenchUtf8.txt";

bool success = await http.S3_DownloadFileAsync(bucketName,objectName,localFilePath);

if (success != true) {
    Debug.WriteLine(http.LastErrorText);
}
else {
    Debug.WriteLine("File downloaded.");
}