C# UWP/WinRT Google Calendar: Get Instances of a Recurring Event

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Returns instances of the specified recurring event.
This example gets instances for an event from the calendar having the ID = "support@chilkatcloud.com", where the event ID equals "6li3bfqqq65edprt4ms6vdld2j"

Documentation: https://developers.google.com/google-apps/calendar/v3/reference/events/instances


Chilkat.Rest rest = new Chilkat.Rest();
bool success;

//   Provide a previously obtained OAuth2 access token.
Chilkat.OAuth2 oauth2 = new Chilkat.OAuth2();
oauth2.AccessToken = "OAUTH2_ACCESS_TOKEN";
rest.SetAuthOAuth2(oauth2);

success = await rest.ConnectAsync("www.googleapis.com",443,true,true);
if (success != true) {
    Debug.WriteLine(rest.LastErrorText);
    return;
}

Chilkat.StringBuilder sbJson = new Chilkat.StringBuilder();
success = await rest.FullRequestNoBodySbAsync("GET","/calendar/v3/calendars/support@chilkatcloud.com/events/6li3bfqqq65edprt4ms6vdld2j/instances",sbJson);
if (success != true) {
    Debug.WriteLine(rest.LastErrorText);
    return;
}

if (rest.ResponseStatusCode != 200) {
    Debug.WriteLine("Received error response code: " + Convert.ToString(rest.ResponseStatusCode));
    Debug.WriteLine("Response body:");
    Debug.WriteLine(sbJson.GetAsString());
    return;
}

Chilkat.JsonObject json = new Chilkat.JsonObject();
json.LoadSb(sbJson);

//  The following code parses the JSON response.
//  A sample JSON response is shown below the sample code.
string kind;
string etag;
string summary;
string updated;
string timeZone;
string accessRole;
string nextSyncToken;
int i;
int count_i;
string method;
int minutes;
string id;
string status;
string htmlLink;
string created;
string description;
string location;
string creatorEmail;
bool creatorSelf;
string organizerEmail;
bool organizerSelf;
string startDateTime;
string startTimeZone;
string endDateTime;
string endTimeZone;
string recurringEventId;
string originalStartTimeDateTime;
string originalStartTimeTimeZone;
string iCalUID;
int sequence;
string hangoutLink;
bool remindersUseDefault;
int j;
int count_j;

kind = json.StringOf("kind");
etag = json.StringOf("etag");
summary = json.StringOf("summary");
updated = json.StringOf("updated");
timeZone = json.StringOf("timeZone");
accessRole = json.StringOf("accessRole");
nextSyncToken = json.StringOf("nextSyncToken");
i = 0;
count_i = json.SizeOfArray("defaultReminders");
while (i < count_i) {
    json.I = i;
    method = json.StringOf("defaultReminders[i].method");
    minutes = json.IntOf("defaultReminders[i].minutes");
    i = i + 1;
}

i = 0;
count_i = json.SizeOfArray("items");
while (i < count_i) {
    json.I = i;
    kind = json.StringOf("items[i].kind");
    etag = json.StringOf("items[i].etag");
    id = json.StringOf("items[i].id");
    status = json.StringOf("items[i].status");
    htmlLink = json.StringOf("items[i].htmlLink");
    created = json.StringOf("items[i].created");
    updated = json.StringOf("items[i].updated");
    summary = json.StringOf("items[i].summary");
    description = json.StringOf("items[i].description");
    location = json.StringOf("items[i].location");
    creatorEmail = json.StringOf("items[i].creator.email");
    creatorSelf = json.BoolOf("items[i].creator.self");
    organizerEmail = json.StringOf("items[i].organizer.email");
    organizerSelf = json.BoolOf("items[i].organizer.self");
    startDateTime = json.StringOf("items[i].start.dateTime");
    startTimeZone = json.StringOf("items[i].start.timeZone");
    endDateTime = json.StringOf("items[i].end.dateTime");
    endTimeZone = json.StringOf("items[i].end.timeZone");
    recurringEventId = json.StringOf("items[i].recurringEventId");
    originalStartTimeDateTime = json.StringOf("items[i].originalStartTime.dateTime");
    originalStartTimeTimeZone = json.StringOf("items[i].originalStartTime.timeZone");
    iCalUID = json.StringOf("items[i].iCalUID");
    sequence = json.IntOf("items[i].sequence");
    hangoutLink = json.StringOf("items[i].hangoutLink");
    remindersUseDefault = json.BoolOf("items[i].reminders.useDefault");
    j = 0;
    count_j = json.SizeOfArray("items[i].reminders.overrides");
    while (j < count_j) {
        json.J = j;
        method = json.StringOf("items[i].reminders.overrides[j].method");
        minutes = json.IntOf("items[i].reminders.overrides[j].minutes");
        j = j + 1;
    }

    i = i + 1;
}

Debug.WriteLine("Example Completed.");

Sample JSON Response Body

{
  "kind": "calendar#events",
  "etag": "\"p33se7k7armnte0g\"",
  "summary": "support@chilkatcloud.com",
  "updated": "2017-11-08T19:40:49.131Z",
  "timeZone": "America/Chicago",
  "accessRole": "owner",
  "defaultReminders": [
    {
      "method": "popup",
      "minutes": 10
    }
  ],
  "nextSyncToken": "CPjj0Ordr9cCEPjj0Ordr9cCGAU=",
  "items": [
    {
      "kind": "calendar#event",
      "etag": "\"3020339874608000\"",
      "id": "6li3bfqqq65edprt4ms6vdld2j_20171111T000000Z",
      "status": "confirmed",
      "htmlLink": "https://www.google.com/calendar/event?eid=NmxpM2JmcXFxNjVlZHBydDRtczZ2ZGxkMmpfMjAxNzExMTFUMDAwMDAwWiBzdXBwb3J0QGNoaWxrYXRjbG91ZC5jb20",
      "created": "2017-11-08T19:35:30.000Z",
      "updated": "2017-11-08T19:40:49.019Z",
      "summary": "TGIF Happy Hour",
      "description": "Friday Night Happy Hour",
      "location": "Shannon's Irish Pub, 428 N Main St, Glen Ellyn, IL 60137, USA",
      "creator": {
        "email": "support@chilkatcloud.com",
        "self": true
      },
      "organizer": {
        "email": "support@chilkatcloud.com",
        "self": true
      },
      "start": {
        "dateTime": "2017-11-10T18:00:00-06:00",
        "timeZone": "America/Chicago"
      },
      "end": {
        "dateTime": "2017-11-10T19:00:00-06:00",
        "timeZone": "America/Chicago"
      },
      "recurringEventId": "6li3bfqqq65edprt4ms6vdld2j",
      "originalStartTime": {
        "dateTime": "2017-11-10T18:00:00-06:00",
        "timeZone": "America/Chicago"
      },
      "iCalUID": "6li3bfqqq65edprt4ms6vdld2j@google.com",
      "sequence": 1,
      "hangoutLink": "https://plus.google.com/hangouts/_/chilkatcloud.com/support?hceid=c3VwcG9ydEBjaGlsa2F0Y2xvdWQuY29t.6li3bfqqq65edprt4ms6vdld2j",
      "reminders": {
        "useDefault": false,
        "overrides": [
          {
            "method": "popup",
            "minutes": 180
          }
        ]
      }
    },
    {
      "kind": "calendar#event",
      "etag": "\"3020339874608000\"",
      "id": "6li3bfqqq65edprt4ms6vdld2j_20171118T000000Z",
      "status": "confirmed",
      "htmlLink": "https://www.google.com/calendar/event?eid=NmxpM2JmcXFxNjVlZHBydDRtczZ2ZGxkMmpfMjAxNzExMThUMDAwMDAwWiBzdXBwb3J0QGNoaWxrYXRjbG91ZC5jb20",
      "created": "2017-11-08T19:35:30.000Z",
      "updated": "2017-11-08T19:40:49.019Z",
      "summary": "TGIF Happy Hour",
      "description": "Friday Night Happy Hour",
      "location": "Shannon's Irish Pub, 428 N Main St, Glen Ellyn, IL 60137, USA",
      "creator": {
        "email": "support@chilkatcloud.com",
        "self": true
      },
      "organizer": {
        "email": "support@chilkatcloud.com",
        "self": true
      },
      "start": {
        "dateTime": "2017-11-17T18:00:00-06:00",
        "timeZone": "America/Chicago"
      },
      "end": {
        "dateTime": "2017-11-17T19:00:00-06:00",
        "timeZone": "America/Chicago"
      },
      "recurringEventId": "6li3bfqqq65edprt4ms6vdld2j",
      "originalStartTime": {
        "dateTime": "2017-11-17T18:00:00-06:00",
        "timeZone": "America/Chicago"
      },
      "iCalUID": "6li3bfqqq65edprt4ms6vdld2j@google.com",
      "sequence": 1,
      "hangoutLink": "https://plus.google.com/hangouts/_/chilkatcloud.com/support?hceid=c3VwcG9ydEBjaGlsa2F0Y2xvdWQuY29t.6li3bfqqq65edprt4ms6vdld2j",
      "reminders": {
        "useDefault": false,
        "overrides": [
          {
            "method": "popup",
            "minutes": 180
          }
        ]
      }
    },
    {
      "kind": "calendar#event",
      "etag": "\"3020339874608000\"",
      "id": "6li3bfqqq65edprt4ms6vdld2j_20171125T000000Z",
      "status": "confirmed",
      "htmlLink": "https://www.google.com/calendar/event?eid=NmxpM2JmcXFxNjVlZHBydDRtczZ2ZGxkMmpfMjAxNzExMjVUMDAwMDAwWiBzdXBwb3J0QGNoaWxrYXRjbG91ZC5jb20",
      "created": "2017-11-08T19:35:30.000Z",
      "updated": "2017-11-08T19:40:49.019Z",
      "summary": "TGIF Happy Hour",
      "description": "Friday Night Happy Hour",
      "location": "Shannon's Irish Pub, 428 N Main St, Glen Ellyn, IL 60137, USA",
      "creator": {
        "email": "support@chilkatcloud.com",
        "self": true
      },
      "organizer": {
        "email": "support@chilkatcloud.com",
        "self": true
      },
      "start": {
        "dateTime": "2017-11-24T18:00:00-06:00",
        "timeZone": "America/Chicago"
      },
      "end": {
        "dateTime": "2017-11-24T19:00:00-06:00",
        "timeZone": "America/Chicago"
      },
      "recurringEventId": "6li3bfqqq65edprt4ms6vdld2j",
      "originalStartTime": {
        "dateTime": "2017-11-24T18:00:00-06:00",
        "timeZone": "America/Chicago"
      },
      "iCalUID": "6li3bfqqq65edprt4ms6vdld2j@google.com",
      "sequence": 1,
      "hangoutLink": "https://plus.google.com/hangouts/_/chilkatcloud.com/support?hceid=c3VwcG9ydEBjaGlsa2F0Y2xvdWQuY29t.6li3bfqqq65edprt4ms6vdld2j",
      "reminders": {
        "useDefault": false,
        "overrides": [
          {
            "method": "popup",
            "minutes": 180
          }
        ]
      }
    },
    {
      "kind": "calendar#event",
      "etag": "\"3020339874608000\"",
      "id": "6li3bfqqq65edprt4ms6vdld2j_20171202T000000Z",
      "status": "confirmed",
      "htmlLink": "https://www.google.com/calendar/event?eid=NmxpM2JmcXFxNjVlZHBydDRtczZ2ZGxkMmpfMjAxNzEyMDJUMDAwMDAwWiBzdXBwb3J0QGNoaWxrYXRjbG91ZC5jb20",
      "created": "2017-11-08T19:35:30.000Z",
      "updated": "2017-11-08T19:40:49.019Z",
      "summary": "TGIF Happy Hour",
      "description": "Friday Night Happy Hour",
      "location": "Shannon's Irish Pub, 428 N Main St, Glen Ellyn, IL 60137, USA",
      "creator": {
        "email": "support@chilkatcloud.com",
        "self": true
      },
      "organizer": {
        "email": "support@chilkatcloud.com",
        "self": true
      },
      "start": {
        "dateTime": "2017-12-01T18:00:00-06:00",
        "timeZone": "America/Chicago"
      },
      "end": {
        "dateTime": "2017-12-01T19:00:00-06:00",
        "timeZone": "America/Chicago"
      },
      "recurringEventId": "6li3bfqqq65edprt4ms6vdld2j",
      "originalStartTime": {
        "dateTime": "2017-12-01T18:00:00-06:00",
        "timeZone": "America/Chicago"
      },
      "iCalUID": "6li3bfqqq65edprt4ms6vdld2j@google.com",
      "sequence": 1,
      "hangoutLink": "https://plus.google.com/hangouts/_/chilkatcloud.com/support?hceid=c3VwcG9ydEBjaGlsa2F0Y2xvdWQuY29t.6li3bfqqq65edprt4ms6vdld2j",
      "reminders": {
        "useDefault": false,
        "overrides": [
          {
            "method": "popup",
            "minutes": 180
          }
        ]
      }
    }
  ]
}