(MFC) Outlook Calendar Delete Event

See more Outlook Calendar Examples

Removes the specified event from the containing calendar.

If the event is a meeting, deleting the event on the organizer's calendar sends a cancellation message to the meeting attendees.

For more information, see https://docs.microsoft.com/en-us/graph/api/event-delete?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 <CkStringBuilder.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 event to be deleted.
    const char *eventId = "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgENAAAA5_vF7TKKdE6bGCRqXyl2PQAEaDkEcAAAAA==";

    CkStringBuilder sbUrl;
    sbUrl.Append("https://graph.microsoft.com/v1.0/me/events/");
    sbUrl.Append(eventId);

    CkHttpResponse *resp = http.QuickRequest("DELETE",sbUrl.getAsString());
    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 send succeeded if the response status code = 204.
    if (resp->get_StatusCode() != 204) {
        // If the event for the given ID does not exist, you'll get a 404 response code with this response body:

        // 		{
        // 		  "error": {
        // 		    "code": "ErrorItemNotFound",
        // 		    "message": "The specified object was not found in the store.",
        // 		    "innerError": {
        // 		      "date": "2021-04-19T00:02:04",
        // 		      "request-id": "0eac929a-6ee9-42f8-bb56-39799331c6f4",
        // 		      "client-request-id": "0eac929a-6ee9-42f8-bb56-39799331c6f4"
        // 		    }
        // 		  }
        // 		}

        strOut.append(resp->bodyStr());
        strOut.append("\r\n");
        strOut.append("Failed");
        strOut.append("\r\n");
    }
    else {
        strOut.append("Event deleted.");
        strOut.append("\r\n");
    }

    delete resp;


    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());

    }