(C# UWP/WinRT) Update a Task's Status to "completed"

Demonstrates how to update a Google task's status to "completed".

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.

// Get the previously obtained access token.
// See Get Google Tasks Access Token.

Chilkat.FileAccess fac = new Chilkat.FileAccess();
string accessToken = fac.ReadEntireTextFile("qa_data/tokens/googleTasks.txt","utf-8");
if (fac.LastMethodSuccess != true) {
    Debug.WriteLine(fac.LastErrorText);
    return;
}

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

http.AuthToken = accessToken;

string taskId = "MDM4MzQ4NTA3NDQwMDUxMzQ2OTQ6NzAwOTA4MDA1NzU2ODYwMzoyMDg3OTcyMDA1MTQ5NTA0";

// Create the JSON to update the task status to completed.
Chilkat.JsonObject json = new Chilkat.JsonObject();
json.UpdateString("id",taskId);
json.UpdateString("status","completed");

// Specify the ID's for both the task list and the task.
http.SetUrlVar("tasklist","MDM4MzQ4NTA3NDQwMDUxMzQ2OTQ6NzAwOTA4MDA1NzU2ODYwMzow");
http.SetUrlVar("task",taskId);

string url = "https://www.googleapis.com/tasks/v1/lists/{$tasklist}/tasks/{$task}";
Chilkat.HttpResponse resp = await http.PTextAsync("PUT",url,json.Emit(),"utf-8","application/json",false,false);
if (http.LastMethodSuccess == false) {
    Debug.WriteLine(http.LastErrorText);
    return;
}

// Show the response body.
Debug.WriteLine(resp.BodyStr);

// Examine the response status code.
Debug.WriteLine("response status code: " + Convert.ToString(resp.StatusCode));

// Sample response:
// Use this online tool to generate parsing code from sample JSON: 
// Generate Parsing Code from JSON

// 
// {
//  "kind": "tasks#task",
//  "id": "MDM4MzQ4NTA3NDQwMDUxMzQ2OTQ6NzAwOTA4MDA1NzU2ODYwMzoyMDg3OTcyMDA1MTQ5NTA0",
//  "etag": "\"84_7Cubo3y98GMV9bE3zQclHxhc/MTQyMDUzMzQ4MA\"",
//  "title": "Get haircut",
//  "updated": "2019-04-04T18:07:58.000Z",
//  "selfLink": "https://www.googleapis.com/tasks/v1/lists/MDM4MzQ4NTA3NDQwMDUxMzQ2OTQ6NzAwOTA4MDA1NzU2ODYwMzow/tasks/MDM4MzQ4NTA3NDQwMDUxMzQ2OTQ6NzAwOTA4MDA1NzU2ODYwMzoyMDg3OTcyMDA1MTQ5NTA0",
//  "position": "00000000001610612734",
//  "notes": "Check in online first.",
//  "status": "completed",
//  "completed": "2019-04-04T18:38:56.000Z"
// }
// 
// response status code: 200