(Unicode 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.

For more information, see https://docs.microsoft.com/en-us/graph/api/user-post-events?view=graph-rest-1.0&tabs=http#example-1-create-an-event-in-the-specified-time-zone-and-assign-the-event-an-optional-transactionid-value

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#include <CkHttpW.h>
#include <CkJsonObjectW.h>
#include <CkCrypt2W.h>
#include <CkHttpResponseW.h>

void ChilkatSample(void)
    {
    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    CkHttpW http;

    // Use your previously obtained access token here: Get Outlook Calendar OAuth2 Access Token (Azure AD v2.0 Endpoint).

    CkJsonObjectW jsonToken;
    bool success = jsonToken.LoadFile(L"qa_data/tokens/outlookCalendar.json");
    if (success == false) {
        wprintf(L"%s\n",jsonToken.lastErrorText());
        return;
    }

    http.put_AuthToken(jsonToken.stringOf(L"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.
    CkJsonObjectW json;
    json.UpdateString(L"subject",L"Let's go for lunch");
    json.UpdateString(L"body.contentType",L"HTML");
    json.UpdateString(L"body.content",L"Does noon work for you?");
    json.UpdateString(L"start.dateTime",L"2021-05-15T12:00:00");
    json.UpdateString(L"start.timeZone",L"Pacific Standard Time");
    json.UpdateString(L"end.dateTime",L"2021-05-15T14:00:00");
    json.UpdateString(L"end.timeZone",L"Pacific Standard Time");
    json.UpdateString(L"location.displayName",L"Harry's Bar");
    json.UpdateString(L"attendees[0].emailAddress.address",L"samanthab@contoso.onmicrosoft.com");
    json.UpdateString(L"attendees[0].emailAddress.name",L"Samantha Booth");
    json.UpdateString(L"attendees[0].type",L"required");
    json.UpdateBool(L"allowNewTimeProposals",true);

    // Generate a UUID.
    CkCrypt2W crypt;
    json.UpdateString(L"transactionId",crypt.generateUuid());

    // Add the "Prefer" request header.
    http.SetRequestHeader(L"Prefer",L"outlook.timezone=\"Pacific Standard Time\"");

    // Send the HTTP POST
    CkHttpResponseW *resp = http.PostJson2(L"https://graph.microsoft.com/v1.0/me/events",L"application/json",json.emit());
    if (http.get_LastMethodSuccess() != true) {
        wprintf(L"%s\n",http.lastErrorText());
        return;
    }

    wprintf(L"Response status code = %d\n",resp->get_StatusCode());

    CkJsonObjectW jResp;
    jResp.Load(resp->bodyStr());
    jResp.put_EmitCompact(false);
    wprintf(L"%s\n",jResp.emit());

    delete resp;

    // The send succeeded if the response status code = 201.
    if (resp->get_StatusCode() != 201) {
        wprintf(L"Failed\n");
        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

    // Chilkat functions returning "const char *" return a pointer to temporary internal memory owned and managed by Chilkat.
    // See this example explaining how this memory should be used: const char * functions.

    const wchar_t *displayName = 0;
    const wchar_t *locationType = 0;
    const wchar_t *uniqueId = 0;
    const wchar_t *uniqueIdType = 0;
    const wchar_t *statusResponse = 0;
    const wchar_t *statusTime = 0;
    const wchar_t *emailAddressName = 0;
    const wchar_t *emailAddressAddress = 0;

    const wchar_t *odata_context = jResp.stringOf(L"\"@odata.context\"");
    const wchar_t *odata_etag = jResp.stringOf(L"\"@odata.etag\"");
    const wchar_t *id = jResp.stringOf(L"id");
    const wchar_t *createdDateTime = jResp.stringOf(L"createdDateTime");
    const wchar_t *lastModifiedDateTime = jResp.stringOf(L"lastModifiedDateTime");
    const wchar_t *changeKey = jResp.stringOf(L"changeKey");
    const wchar_t *transactionId = jResp.stringOf(L"transactionId");
    const wchar_t *originalStartTimeZone = jResp.stringOf(L"originalStartTimeZone");
    const wchar_t *originalEndTimeZone = jResp.stringOf(L"originalEndTimeZone");
    const wchar_t *iCalUId = jResp.stringOf(L"iCalUId");
    int reminderMinutesBeforeStart = jResp.IntOf(L"reminderMinutesBeforeStart");
    bool isReminderOn = jResp.BoolOf(L"isReminderOn");
    bool hasAttachments = jResp.BoolOf(L"hasAttachments");
    const wchar_t *subject = jResp.stringOf(L"subject");
    const wchar_t *bodyPreview = jResp.stringOf(L"bodyPreview");
    const wchar_t *importance = jResp.stringOf(L"importance");
    const wchar_t *sensitivity = jResp.stringOf(L"sensitivity");
    bool isAllDay = jResp.BoolOf(L"isAllDay");
    bool isCancelled = jResp.BoolOf(L"isCancelled");
    bool isOrganizer = jResp.BoolOf(L"isOrganizer");
    bool responseRequested = jResp.BoolOf(L"responseRequested");
    const wchar_t *seriesMasterId = jResp.stringOf(L"seriesMasterId");
    const wchar_t *showAs = jResp.stringOf(L"showAs");
    const wchar_t *v_type = jResp.stringOf(L"type");
    const wchar_t *webLink = jResp.stringOf(L"webLink");
    const wchar_t *onlineMeetingUrl = jResp.stringOf(L"onlineMeetingUrl");
    bool isOnlineMeeting = jResp.BoolOf(L"isOnlineMeeting");
    const wchar_t *onlineMeetingProvider = jResp.stringOf(L"onlineMeetingProvider");
    bool allowNewTimeProposals = jResp.BoolOf(L"allowNewTimeProposals");
    bool isDraft = jResp.BoolOf(L"isDraft");
    bool hideAttendees = jResp.BoolOf(L"hideAttendees");
    const wchar_t *recurrence = jResp.stringOf(L"recurrence");
    const wchar_t *onlineMeeting = jResp.stringOf(L"onlineMeeting");
    const wchar_t *responseStatusResponse = jResp.stringOf(L"responseStatus.response");
    const wchar_t *responseStatusTime = jResp.stringOf(L"responseStatus.time");
    const wchar_t *bodyContentType = jResp.stringOf(L"body.contentType");
    const wchar_t *bodyContent = jResp.stringOf(L"body.content");
    const wchar_t *startDateTime = jResp.stringOf(L"start.dateTime");
    const wchar_t *startTimeZone = jResp.stringOf(L"start.timeZone");
    const wchar_t *endDateTime = jResp.stringOf(L"end.dateTime");
    const wchar_t *endTimeZone = jResp.stringOf(L"end.timeZone");
    const wchar_t *locationDisplayName = jResp.stringOf(L"location.displayName");
    const wchar_t *locationLocationType = jResp.stringOf(L"location.locationType");
    const wchar_t *locationUniqueId = jResp.stringOf(L"location.uniqueId");
    const wchar_t *locationUniqueIdType = jResp.stringOf(L"location.uniqueIdType");
    const wchar_t *organizerEmailAddressName = jResp.stringOf(L"organizer.emailAddress.name");
    const wchar_t *organizerEmailAddressAddress = jResp.stringOf(L"organizer.emailAddress.address");
    int i = 0;
    int count_i = jResp.SizeOfArray(L"categories");
    while (i < count_i) {
        jResp.put_I(i);
        i = i + 1;
    }

    i = 0;
    count_i = jResp.SizeOfArray(L"locations");
    while (i < count_i) {
        jResp.put_I(i);
        displayName = jResp.stringOf(L"locations[i].displayName");
        locationType = jResp.stringOf(L"locations[i].locationType");
        uniqueId = jResp.stringOf(L"locations[i].uniqueId");
        uniqueIdType = jResp.stringOf(L"locations[i].uniqueIdType");
        i = i + 1;
    }

    i = 0;
    count_i = jResp.SizeOfArray(L"attendees");
    while (i < count_i) {
        jResp.put_I(i);
        v_type = jResp.stringOf(L"attendees[i].type");
        statusResponse = jResp.stringOf(L"attendees[i].status.response");
        statusTime = jResp.stringOf(L"attendees[i].status.time");
        emailAddressName = jResp.stringOf(L"attendees[i].emailAddress.name");
        emailAddressAddress = jResp.stringOf(L"attendees[i].emailAddress.address");
        i = i + 1;
    }

    wprintf(L"Event created.\n");
    }