(.NET Core C#) Create New Task and Insert Onto List

Creates a new Google task and inserts it onto a task list.

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// 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;

// Create a new task.
Chilkat.JsonObject json = new Chilkat.JsonObject();
json.UpdateString("title","Go to grocery store");
json.UpdateString("notes","Don't forget to buy apples.");

// The due date of a task is specified as a RFC 3339 timestamp.  It is optional.
Chilkat.CkDateTime due = new Chilkat.CkDateTime();
due.SetFromCurrentSystemTime();
due.AddDays(3);
json.UpdateString("due",due.GetAsTimestamp(false));

// Insert this task onto the task list w/ id = MDM4MzQ4NTA3NDQwMDUxMzQ2OTQ6NzAwOTA4MDA1NzU2ODYwMzow
http.SetUrlVar("tasklist","MDM4MzQ4NTA3NDQwMDUxMzQ2OTQ6NzAwOTA4MDA1NzU2ODYwMzow");

Chilkat.HttpResponse resp = http.PostJson("https://www.googleapis.com/tasks/v1/lists/{$tasklist}/tasks",json.Emit());
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": "MDM4MzQ4NTA3NDQwMDUxMzQ2OTQ6NzAwOTA4MDA1NzU2ODYwMzoxMTg0MzQxMTkzMjM2MDY1",
//  "etag": "\"84_7Cubo3y98GMV9bE3zQclHxhc/MTU1MjQzNDIwMQ\"",
//  "title": "Go to grocery store",
//  "updated": "2019-04-04T17:59:15.000Z",
//  "selfLink": "https://www.googleapis.com/tasks/v1/lists/MDM4MzQ4NTA3NDQwMDUxMzQ2OTQ6NzAwOTA4MDA1NzU2ODYwMzow/tasks/MDM4MzQ4NTA3NDQwMDUxMzQ2OTQ6NzAwOTA4MDA1NzU2ODYwMzoxMTg0MzQxMTkzMjM2MDY1",
//  "position": "00000000002147483647",
//  "notes": "Don't forget to buy apples.",
//  "status": "needsAction",
//  "due": "2019-04-07T00:00:00.000Z"
// }
// 
// response status code: 200
//