(MFC) 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

Chilkat C/C++ Library Downloads MS Visual C/C++ Libs

See Also: Using MFC CString in Chilkat

#include <CkHttp.h>
#include <CkJsonObject.h>
#include <CkCrypt2.h>
#include <CkHttpResponse.h>

void ChilkatSample(void)
    {
    CkString strOut;

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

    CkHttp http;

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

    CkJsonObject jsonToken;
    bool success = jsonToken.LoadFile("qa_data/tokens/outlookCalendar.json");
    if (success == false) {
        strOut.append(jsonToken.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    http.put_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.
    CkJsonObject json;
    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.
    CkCrypt2 crypt;
    json.UpdateString("transactionId",crypt.generateUuid());

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

    // Send the HTTP POST
    CkHttpResponse *resp = http.PostJson2("https://graph.microsoft.com/v1.0/me/events","application/json",json.emit());
    if (http.get_LastMethodSuccess() != true) {
        strOut.append(http.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    strOut.append("Response status code = ");
    strOut.appendInt(resp->get_StatusCode());
    strOut.append("\r\n");
    delete resp;

    CkJsonObject jResp;
    jResp.Load(resp->bodyStr());
    jResp.put_EmitCompact(false);
    strOut.append(jResp.emit());
    strOut.append("\r\n");

    // The send succeeded if the response status code = 201.
    if (resp->get_StatusCode() != 201) {
        strOut.append("Failed");
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        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 char *displayName = 0;
    const char *locationType = 0;
    const char *uniqueId = 0;
    const char *uniqueIdType = 0;
    const char *statusResponse = 0;
    const char *statusTime = 0;
    const char *emailAddressName = 0;
    const char *emailAddressAddress = 0;

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

    i = 0;
    count_i = jResp.SizeOfArray("locations");
    while (i < count_i) {
        jResp.put_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.put_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;
    }

    strOut.append("Event created.");
    strOut.append("\r\n");


    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());

    }