(.NET Core C#) OneDrive -- Download to File

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Note: This example requires Chilkat v9.5.0.97 or greater.

Chilkat .NET Downloads Chilkat .NET Framework Chilkat for .NET Core

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

// This example uses the OAuth client credentials flow.
// See How to Create an Azure App Registration for OAuth 2.0 Client Credentials

// Use your client ID, client secret, and tenant ID in the following lines
Chilkat.JsonObject json = new Chilkat.JsonObject();
json.UpdateString("client_id","2871da2c-8176-4b7f-869b-2311aa82e743");
json.UpdateString("client_secret","2hu9Q~r5QuryUcEkNbg1btLtnfU1VUXzhSCG6brH");
json.UpdateString("scope","https://graph.microsoft.com/.default");
json.UpdateString("token_endpoint","https://login.microsoftonline.com/114d7ed6-71bf-4dbe-a866-748364121bf2/oauth2/v2.0/token");

Chilkat.Http http = new Chilkat.Http();
http.AuthToken = json.Emit();

// Download the file.
http.SetUrlVar("user_id","4fe732c3-322e-4a6b-b729-2fd1eb5c6104");
string url = "https://graph.microsoft.com/v1.0/users/{$user_id}/drive/root:/Pictures/three_penguins.jpg:/content";
string localFilePath = "c:/temp/qa_output/three_penguins.jpg";
bool success = http.Download(url,localFilePath);
if (success != true) {
    Debug.WriteLine(http.LastErrorText);
    return;
}

Debug.WriteLine("Successfully downloaded a OneDrive file to the local filesystem.");