(MFC) Outlook Calendar List Events

See more Outlook Calendar Examples

Retrieve a list of events in a calendar.

For more information, see https://docs.microsoft.com/en-us/graph/api/calendar-list-events?view=graph-rest-1.0&tabs=http

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

See Also: Using MFC CString in Chilkat

#include <CkHttp.h>
#include <CkJsonObject.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"));

    // Specify the ID of the calendar to list.
    const char *calendarId = "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEGAAAA5_vF7TKKdE6bGCRqXyl2PQAAAiCsAAAA";

    http.SetUrlVar("id",calendarId);

    // To list the events in the default calendar, use the following URL: https://graph.microsoft.com/v1.0/me/calendars/events

    CkHttpResponse *resp = http.QuickRequest("GET","https://graph.microsoft.com/v1.0/me/calendars/{$id}/events");
    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");

    // The HTTP request succeeded if the response status code = 200.
    if (resp->get_StatusCode() != 200) {
        strOut.append(resp->bodyStr());
        strOut.append("\r\n");
        strOut.append("Failed");
        strOut.append("\r\n");
        delete resp;
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

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

    // Here is a sample response:

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

    // {
    //   "value": [
    //     {
    //       "originalStartTimeZone": "originalStartTimeZone-value",
    //       "originalEndTimeZone": "originalEndTimeZone-value",
    //       "responseStatus": {
    //         "response": "",
    //         "time": "datetime-value"
    //       },
    //       "iCalUId": "iCalUId-value",
    //       "reminderMinutesBeforeStart": 99,
    //       "isReminderOn": true
    //     }
    //   ]
    // }

    delete resp;

    const char *originalStartTimeZone = 0;
    const char *originalEndTimeZone = 0;
    const char *responseStatusResponse = 0;
    const char *responseStatusTime = 0;
    const char *iCalUId = 0;
    int reminderMinutesBeforeStart;
    bool isReminderOn;

    int i = 0;
    int count_i = json.SizeOfArray("value");
    while (i < count_i) {
        json.put_I(i);
        originalStartTimeZone = json.stringOf("value[i].originalStartTimeZone");
        originalEndTimeZone = json.stringOf("value[i].originalEndTimeZone");
        responseStatusResponse = json.stringOf("value[i].responseStatus.response");
        responseStatusTime = json.stringOf("value[i].responseStatus.time");
        iCalUId = json.stringOf("value[i].iCalUId");
        reminderMinutesBeforeStart = json.IntOf("value[i].reminderMinutesBeforeStart");
        isReminderOn = json.BoolOf("value[i].isReminderOn");
        i = i + 1;
    }



    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());

    }