(C#) MS Graph Calendar Create Event

Creates a new event in a specified calendar.

For more details, see https://docs.microsoft.com/en-us/graph/api/calendar-post-events?view=graph-rest-1.0

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.

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

// Use your previously obtained access token as shown here:
//    Get Microsoft Graph OAuth2 Access Token with Calendars.ReadWrite scope.

Chilkat.JsonObject jsonToken = new Chilkat.JsonObject();
bool success = jsonToken.LoadFile("qa_data/tokens/msGraphCalendar.json");
if (success == false) {
    Debug.WriteLine(jsonToken.LastErrorText);
    return;
}

http.AuthToken = jsonToken.StringOf("access_token");

// Create a JSON body for the HTTP POST
// Use this online tool to generate the code from sample JSON: 
// Generate Code to Create JSON

// {
//   "subject": "Let's go for lunch",
//   "body": {
//     "contentType": "HTML",
//     "content": "Does mid month work for you?"
//   },
//   "start": {
//       "dateTime": "2019-11-15T12:00:00",
//       "timeZone": "Pacific Standard Time"
//   },
//   "end": {
//       "dateTime": "2019-11-15T14:00:00",
//       "timeZone": "Pacific Standard Time"
//   },
//   "location":{
//       "displayName":"Harry's Bar"
//   },
//   "attendees": [
//     {
//       "emailAddress": {
//         "address":"adelev@contoso.onmicrosoft.com",
//         "name": "Adele Vance"
//       },
//       "type": "required"
//     }
//   ]
// }

Chilkat.JsonObject json = new Chilkat.JsonObject();
json.UpdateString("subject","Let's go for lunch");
json.UpdateString("body.contentType","HTML");
json.UpdateString("body.content","Does mid month work for you?");
json.UpdateString("start.dateTime","2019-11-15T12:00:00");
json.UpdateString("start.timeZone","Pacific Standard Time");
json.UpdateString("end.dateTime","2019-11-15T14:00:00");
json.UpdateString("end.timeZone","Pacific Standard Time");
json.UpdateString("location.displayName","Harry's Bar");
json.UpdateString("attendees[0].emailAddress.address","adelev@contoso.onmicrosoft.com");
json.UpdateString("attendees[0].emailAddress.name","Adele Vance");
json.UpdateString("attendees[0].type","required");

// POST the JSON to https://graph.microsoft.com/v1.0/me/calendars/{id}/events
// This is posting to a calendar in the default calendarGroup.

// Specify the calendar id
http.SetUrlVar("id","AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEGAAAA5_vF7TKKdE6bGCRqXyl2PQAClEpRTgAAAA==");
Chilkat.HttpResponse resp = http.PostJson3("https://graph.microsoft.com/v1.0/me/calendars/{$id}/events","application/json",json);
if (http.LastMethodSuccess == false) {
    Debug.WriteLine(http.LastErrorText);
    return;
}

json.Load(resp.BodyStr);
json.EmitCompact = false;

if (resp.StatusCode != 201) {
    Debug.WriteLine(json.Emit());
    Debug.WriteLine("Failed, response status code = " + Convert.ToString(resp.StatusCode));

    return;
}

Debug.WriteLine(json.Emit());

// A sample response:
// (See code for parsing this response below..)

// {
//   "@odata.context": "https://graph.microsoft.com/v1.0/$metadata#users('admin%40chilkat.io')/calendars('AQMkADAwATM0MDAAMS ... AClEpRTgAAAA%3D%3D')/events/$entity",
//   "@odata.etag": "W/\"5+vF7TKKdE6bGCRqXyl2PQAClIgmmw==\"",
//   "id": "AQMkADAwAT ... ApRZ7JkAAAA=",
//   "createdDateTime": "2019-04-26T14:31:39.8791929Z",
//   "lastModifiedDateTime": "2019-04-26T14:31:41.2753537Z",
//   "changeKey": "5+vF7TKKdE6bGCRqXyl2PQAClIgmmw==",
//   "categories": [
//   ],
//   "originalStartTimeZone": "Pacific Standard Time",
//   "originalEndTimeZone": "Pacific Standard Time",
//   "iCalUId": "040000008200E00074C5B7101A82E00800000000F05DF1C23CFCD40100000000000000001000000009911D155F71EF42A230FEBFE5F7486A",
//   "reminderMinutesBeforeStart": 15,
//   "isReminderOn": true,
//   "hasAttachments": false,
//   "subject": "Let's go for lunch",
//   "bodyPreview": "Does mid month work for you?",
//   "importance": "normal",
//   "sensitivity": "normal",
//   "isAllDay": false,
//   "isCancelled": false,
//   "isOrganizer": true,
//   "responseRequested": true,
//   "seriesMasterId": null,
//   "showAs": "busy",
//   "type": "singleInstance",
//   "webLink": "https://outlook.live.com/owa/?itemid=AQMkADAwATM0MDAAMS1iNTcwL...pRZ7JkAAAA%3D&exvsurl=1&path=/calendar/item",
//   "onlineMeetingUrl": null,
//   "recurrence": null,
//   "responseStatus": {
//     "response": "organizer",
//     "time": "0001-01-01T00:00:00Z"
//   },
//   "body": {
//     "contentType": "html",
//     "content": "<html>\r\n<head>\r\n<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">\r\n<meta content=\"text/html; charset=us-ascii\">\r\n</head>\r\n<body>\r\nDoes mid month work for you?\r\n</body>\r\n</html>\r\n"
//   },
//   "start": {
//     "dateTime": "2019-11-15T12:00:00.0000000",
//     "timeZone": "Pacific Standard Time"
//   },
//   "end": {
//     "dateTime": "2019-11-15T14:00:00.0000000",
//     "timeZone": "Pacific Standard Time"
//   },
//   "location": {
//     "displayName": "Harry's Bar",
//     "locationType": "default",
//     "uniqueId": "Harry's Bar",
//     "uniqueIdType": "private"
//   },
//   "locations": [
//     {
//       "displayName": "Harry's Bar",
//       "locationType": "default",
//       "uniqueId": "Harry's Bar",
//       "uniqueIdType": "private"
//     }
//   ],
//   "attendees": [
//     {
//       "type": "required",
//       "status": {
//         "response": "none",
//         "time": "0001-01-01T00:00:00Z"
//       },
//       "emailAddress": {
//         "name": "Adele Vance",
//         "address": "adelev@contoso.onmicrosoft.com"
//       }
//     }
//   ],
//   "organizer": {
//     "emailAddress": {
//       "name": "Matt",
//       "address": "outlook_3A33FCEB9B74CC15@outlook.com"
//     }
//   }
// }
// 
// 

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

string displayName;
string locationType;
string uniqueId;
string uniqueIdType;
string statusResponse;
string statusTime;
string emailAddressName;
string emailAddressAddress;

string odataContext = json.StringOf("\"@odata.context\"");
string odataEtag = json.StringOf("\"@odata.etag\"");
string id = json.StringOf("id");
string createdDateTime = json.StringOf("createdDateTime");
string lastModifiedDateTime = json.StringOf("lastModifiedDateTime");
string changeKey = json.StringOf("changeKey");
string originalStartTimeZone = json.StringOf("originalStartTimeZone");
string originalEndTimeZone = json.StringOf("originalEndTimeZone");
string iCalUId = json.StringOf("iCalUId");
string reminderMinutesBeforeStart = json.IntOf("reminderMinutesBeforeStart");
string isReminderOn = json.BoolOf("isReminderOn");
string hasAttachments = json.BoolOf("hasAttachments");
string subject = json.StringOf("subject");
string bodyPreview = json.StringOf("bodyPreview");
string importance = json.StringOf("importance");
string sensitivity = json.StringOf("sensitivity");
string isAllDay = json.BoolOf("isAllDay");
string isCancelled = json.BoolOf("isCancelled");
string isOrganizer = json.BoolOf("isOrganizer");
string responseRequested = json.BoolOf("responseRequested");
string seriesMasterId = json.StringOf("seriesMasterId");
string showAs = json.StringOf("showAs");
string type = json.StringOf("type");
string webLink = json.StringOf("webLink");
string onlineMeetingUrl = json.StringOf("onlineMeetingUrl");
string recurrence = json.StringOf("recurrence");
string responseStatusResponse = json.StringOf("responseStatus.response");
string responseStatusTime = json.StringOf("responseStatus.time");
string bodyContentType = json.StringOf("body.contentType");
string bodyContent = json.StringOf("body.content");
string startDateTime = json.StringOf("start.dateTime");
string startTimeZone = json.StringOf("start.timeZone");
string endDateTime = json.StringOf("end.dateTime");
string endTimeZone = json.StringOf("end.timeZone");
string locationDisplayName = json.StringOf("location.displayName");
string locationLocationType = json.StringOf("location.locationType");
string locationUniqueId = json.StringOf("location.uniqueId");
string locationUniqueIdType = json.StringOf("location.uniqueIdType");
string organizerEmailAddressName = json.StringOf("organizer.emailAddress.name");
string organizerEmailAddressAddress = json.StringOf("organizer.emailAddress.address");
int i = 0;
int count_i = json.SizeOfArray("categories");
while (i < count_i) {
    json.I = i;
    // ...
    i = i + 1;
}

i = 0;
count_i = json.SizeOfArray("locations");
while (i < count_i) {
    json.I = i;
    displayName = json.StringOf("locations[i].displayName");
    locationType = json.StringOf("locations[i].locationType");
    uniqueId = json.StringOf("locations[i].uniqueId");
    uniqueIdType = json.StringOf("locations[i].uniqueIdType");
    i = i + 1;
}

i = 0;
count_i = json.SizeOfArray("attendees");
while (i < count_i) {
    json.I = i;
    type = json.StringOf("attendees[i].type");
    statusResponse = json.StringOf("attendees[i].status.response");
    statusTime = json.StringOf("attendees[i].status.time");
    emailAddressName = json.StringOf("attendees[i].emailAddress.name");
    emailAddressAddress = json.StringOf("attendees[i].emailAddress.address");
    i = i + 1;
}

Debug.WriteLine("Success.");