C#
C#
Outlook Calendar Create an Event
See more Outlook Calendar Examples
Create an event in the specified time zone, and assign the event an optional transactionId value.Chilkat C# Downloads
bool success = false;
// 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 here: Get Outlook Calendar OAuth2 Access Token (Azure AD v2.0 Endpoint).
Chilkat.JsonObject jsonToken = new Chilkat.JsonObject();
success = jsonToken.LoadFile("qa_data/tokens/outlookCalendar.json");
if (success == false) {
Debug.WriteLine(jsonToken.LastErrorText);
return;
}
http.AuthToken = jsonToken.StringOf("access_token");
// Send the following POST:
// POST https://graph.microsoft.com/v1.0/me/events
// Prefer: outlook.timezone="Pacific Standard Time"
// Content-type: application/json
//
// {
// "subject": "Let's go for lunch",
// "body": {
// "contentType": "HTML",
// "content": "Does noon work for you?"
// },
// "start": {
// "dateTime": "2017-04-15T12:00:00",
// "timeZone": "Pacific Standard Time"
// },
// "end": {
// "dateTime": "2017-04-15T14:00:00",
// "timeZone": "Pacific Standard Time"
// },
// "location":{
// "displayName":"Harry's Bar"
// },
// "attendees": [
// {
// "emailAddress": {
// "address":"samanthab@contoso.onmicrosoft.com",
// "name": "Samantha Booth"
// },
// "type": "required"
// }
// ],
// "allowNewTimeProposals": true,
// "transactionId":"7E163156-7762-4BEB-A1C6-729EA81755A7"
// }
// Build the JSON body of the POST.
Chilkat.JsonObject json = new Chilkat.JsonObject();
json.UpdateString("subject","Let's go for lunch");
json.UpdateString("body.contentType","HTML");
json.UpdateString("body.content","Does noon work for you?");
json.UpdateString("start.dateTime","2021-05-15T12:00:00");
json.UpdateString("start.timeZone","Pacific Standard Time");
json.UpdateString("end.dateTime","2021-05-15T14:00:00");
json.UpdateString("end.timeZone","Pacific Standard Time");
json.UpdateString("location.displayName","Harry's Bar");
json.UpdateString("attendees[0].emailAddress.address","samanthab@contoso.onmicrosoft.com");
json.UpdateString("attendees[0].emailAddress.name","Samantha Booth");
json.UpdateString("attendees[0].type","required");
json.UpdateBool("allowNewTimeProposals",true);
// Generate a UUID.
Chilkat.Crypt2 crypt = new Chilkat.Crypt2();
json.UpdateString("transactionId",crypt.GenerateUuid());
// Add the "Prefer" request header.
http.SetRequestHeader("Prefer","outlook.timezone=\"Pacific Standard Time\"");
// Send the HTTP POST
Chilkat.HttpResponse resp = new Chilkat.HttpResponse();
success = http.HttpJson("POST","https://graph.microsoft.com/v1.0/me/events",json,"application/json",resp);
if (success == false) {
Debug.WriteLine(http.LastErrorText);
return;
}
Debug.WriteLine("Response status code = " + Convert.ToString(resp.StatusCode));
Chilkat.JsonObject jResp = new Chilkat.JsonObject();
jResp.Load(resp.BodyStr);
jResp.EmitCompact = false;
Debug.WriteLine(jResp.Emit());
// The send succeeded if the response status code = 201.
if (resp.StatusCode != 201) {
Debug.WriteLine("Failed");
return;
}
// Sample JSON response:
// (Sample code for parsing the JSON response is shown below)
// {
// "@odata.context": "https://graph.microsoft.com/v1.0/$metadata#users('user%40example.com')/events/$entity",
// "@odata.etag": "W/\"5+vF7TKKdE6bGCRqXyl2PQAEaGQgcw==\"",
// "id": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgENAAAA5_vF7TKKdE6bGCRqXyl2PQAEaDkEcAAAAA==",
// "createdDateTime": "2021-04-18T23:38:52.1979259Z",
// "lastModifiedDateTime": "2021-04-18T23:38:53.3747647Z",
// "changeKey": "5+vF7TKKdE6bGCRqXyl2PQAEaGQgcw==",
// "categories": [
// ],
// "transactionId": "1d12b565-3ca3-4ed8-b3f9-e8a14ac3ac17",
// "originalStartTimeZone": "Pacific Standard Time",
// "originalEndTimeZone": "Pacific Standard Time",
// "iCalUId": "040000008200E00074C5B7101A82E00800000000EF0328FDAB34D7010000000000000000100000004478DD5948382543AFD1B52C25E88C02",
// "reminderMinutesBeforeStart": 15,
// "isReminderOn": true,
// "hasAttachments": false,
// "subject": "Let's go for lunch",
// "bodyPreview": "Does noon 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=AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5%2BvF7TKKdE6bGCRqXyl2PQAAAgENAAAA5%2BvF7TKKdE6bGCRqXyl2PQAEaDkEcAAAAA%3D%3D&exvsurl=1&path=/calendar/item",
// "onlineMeetingUrl": null,
// "isOnlineMeeting": false,
// "onlineMeetingProvider": "unknown",
// "allowNewTimeProposals": true,
// "isDraft": false,
// "hideAttendees": false,
// "recurrence": null,
// "onlineMeeting": 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 noon work for you?\r\n</body>\r\n</html>\r\n"
// },
// "start": {
// "dateTime": "2021-05-15T12:00:00.0000000",
// "timeZone": "Pacific Standard Time"
// },
// "end": {
// "dateTime": "2021-05-15T14:00:00.0000000",
// "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": "Samantha Booth",
// "address": "samanthab@contoso.onmicrosoft.com"
// }
// }
// ],
// "organizer": {
// "emailAddress": {
// "name": "John Doe",
// "address": "outlook_3A33FCEB9B74CC15@outlook.com"
// }
// }
// }
// Sample code for parsing the JSON response...
// Use the following 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 odata_context = jResp.StringOf("\"@odata.context\"");
string odata_etag = jResp.StringOf("\"@odata.etag\"");
string id = jResp.StringOf("id");
string createdDateTime = jResp.StringOf("createdDateTime");
string lastModifiedDateTime = jResp.StringOf("lastModifiedDateTime");
string changeKey = jResp.StringOf("changeKey");
string transactionId = jResp.StringOf("transactionId");
string originalStartTimeZone = jResp.StringOf("originalStartTimeZone");
string originalEndTimeZone = jResp.StringOf("originalEndTimeZone");
string iCalUId = jResp.StringOf("iCalUId");
int reminderMinutesBeforeStart = jResp.IntOf("reminderMinutesBeforeStart");
bool isReminderOn = jResp.BoolOf("isReminderOn");
bool hasAttachments = jResp.BoolOf("hasAttachments");
string subject = jResp.StringOf("subject");
string bodyPreview = jResp.StringOf("bodyPreview");
string importance = jResp.StringOf("importance");
string sensitivity = jResp.StringOf("sensitivity");
bool isAllDay = jResp.BoolOf("isAllDay");
bool isCancelled = jResp.BoolOf("isCancelled");
bool isOrganizer = jResp.BoolOf("isOrganizer");
bool responseRequested = jResp.BoolOf("responseRequested");
string seriesMasterId = jResp.StringOf("seriesMasterId");
string showAs = jResp.StringOf("showAs");
string v_type = jResp.StringOf("type");
string webLink = jResp.StringOf("webLink");
string onlineMeetingUrl = jResp.StringOf("onlineMeetingUrl");
bool isOnlineMeeting = jResp.BoolOf("isOnlineMeeting");
string onlineMeetingProvider = jResp.StringOf("onlineMeetingProvider");
bool allowNewTimeProposals = jResp.BoolOf("allowNewTimeProposals");
bool isDraft = jResp.BoolOf("isDraft");
bool hideAttendees = jResp.BoolOf("hideAttendees");
string recurrence = jResp.StringOf("recurrence");
string onlineMeeting = jResp.StringOf("onlineMeeting");
string responseStatusResponse = jResp.StringOf("responseStatus.response");
string responseStatusTime = jResp.StringOf("responseStatus.time");
string bodyContentType = jResp.StringOf("body.contentType");
string bodyContent = jResp.StringOf("body.content");
string startDateTime = jResp.StringOf("start.dateTime");
string startTimeZone = jResp.StringOf("start.timeZone");
string endDateTime = jResp.StringOf("end.dateTime");
string endTimeZone = jResp.StringOf("end.timeZone");
string locationDisplayName = jResp.StringOf("location.displayName");
string locationLocationType = jResp.StringOf("location.locationType");
string locationUniqueId = jResp.StringOf("location.uniqueId");
string locationUniqueIdType = jResp.StringOf("location.uniqueIdType");
string organizerEmailAddressName = jResp.StringOf("organizer.emailAddress.name");
string organizerEmailAddressAddress = jResp.StringOf("organizer.emailAddress.address");
int i = 0;
int count_i = jResp.SizeOfArray("categories");
while (i < count_i) {
jResp.I = i;
i = i + 1;
}
i = 0;
count_i = jResp.SizeOfArray("locations");
while (i < count_i) {
jResp.I = i;
displayName = jResp.StringOf("locations[i].displayName");
locationType = jResp.StringOf("locations[i].locationType");
uniqueId = jResp.StringOf("locations[i].uniqueId");
uniqueIdType = jResp.StringOf("locations[i].uniqueIdType");
i = i + 1;
}
i = 0;
count_i = jResp.SizeOfArray("attendees");
while (i < count_i) {
jResp.I = i;
v_type = jResp.StringOf("attendees[i].type");
statusResponse = jResp.StringOf("attendees[i].status.response");
statusTime = jResp.StringOf("attendees[i].status.time");
emailAddressName = jResp.StringOf("attendees[i].emailAddress.name");
emailAddressAddress = jResp.StringOf("attendees[i].emailAddress.address");
i = i + 1;
}
Debug.WriteLine("Event created.");