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C# UWP/WinRT Examples

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(C# UWP/WinRT) OneDrive -- Download to File

Downloads the contents of a DriveItem directly to a file in the local filesystem.

Note: This example requires Chilkat v9.5.0.68 or greater.

Chilkat Universal Windows Platform (UWP) / WinRT Downloads

Chilkat for the Universal Windows Platform (UWP)

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

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

// Use your previously obtained access token here:
// See the following examples for getting an access token:
//    Get Microsoft Graph OAuth2 Access Token (Azure AD v2.0 Endpoint).
//    Get Microsoft Graph OAuth2 Access Token (Azure AD Endpoint).
//    Refresh Access Token (Azure AD v2.0 Endpoint).
//    Refresh Access Token (Azure AD Endpoint).

// (Make sure your token was obtained with the FilesRead or Files.ReadWrite scope.)
http.AuthToken = "MICROSOFT_GRAPH_ACCESS_TOKEN";

// Sends the following GET request:
// GET https://graph.microsoft.com/v1.0/me/drive/root:/{item-path}:/content

// Make sure to automatically follow redirects
http.FollowRedirects = true;

// This example will download /Misc/wildlife/penguins.jpg
http.SetUrlVar("item_path","Misc/wildlife/penguins.jpg");

// Stream the response body directly to a local file.
string localPath = "qa_output/penguins.jpg";

bool success = await http.DownloadAsync("https://graph.microsoft.com/v1.0/me/drive/root:/{$item_path}:/content",localPath);
if (http.LastMethodSuccess != true) {
    Debug.WriteLine(http.LastErrorText);
    return;
}

// If the response status code was not 200, then it failed.
if (http.LastStatus != 200) {
    Debug.WriteLine("Response Status Code = " + Convert.ToString(http.LastStatus));
    Debug.WriteLine("Failed.");
    return;
}

// If we got here, then the file was successfully downloaded.
Debug.WriteLine("Download from OneDrive successful.");

 

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