(Unicode C) Outlook Calendar Delete Event

See more Outlook Calendar Examples

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

Note: This example requires Chilkat v11.0.0 or greater.

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

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#include <C_CkHttpW.h>
#include <C_CkJsonObjectW.h>
#include <C_CkStringBuilderW.h>
#include <C_CkHttpResponseW.h>

void ChilkatSample(void)
    {
    BOOL success;
    HCkHttpW http;
    HCkJsonObjectW jsonToken;
    const wchar_t *eventId;
    HCkStringBuilderW sbUrl;
    const wchar_t *url;
    HCkHttpResponseW resp;

    success = FALSE;

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

    http = CkHttpW_Create();

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

    jsonToken = CkJsonObjectW_Create();
    success = CkJsonObjectW_LoadFile(jsonToken,L"qa_data/tokens/outlookCalendar.json");
    if (success == FALSE) {
        wprintf(L"%s\n",CkJsonObjectW_lastErrorText(jsonToken));
        CkHttpW_Dispose(http);
        CkJsonObjectW_Dispose(jsonToken);
        return;
    }

    CkHttpW_putAuthToken(http,CkJsonObjectW_stringOf(jsonToken,L"access_token"));

    // Specify the ID of the event to be deleted.
    eventId = L"AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgENAAAA5_vF7TKKdE6bGCRqXyl2PQAEaDkEcAAAAA==";

    sbUrl = CkStringBuilderW_Create();
    CkStringBuilderW_Append(sbUrl,L"https://graph.microsoft.com/v1.0/me/events/");
    CkStringBuilderW_Append(sbUrl,eventId);

    url = CkStringBuilderW_getAsString(sbUrl);
    resp = CkHttpResponseW_Create();
    success = CkHttpW_HttpNoBody(http,L"DELETE",url,resp);
    if (success == FALSE) {
        wprintf(L"%s\n",CkHttpW_lastErrorText(http));
        CkHttpW_Dispose(http);
        CkJsonObjectW_Dispose(jsonToken);
        CkStringBuilderW_Dispose(sbUrl);
        CkHttpResponseW_Dispose(resp);
        return;
    }

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

    // The send succeeded if the response status code = 204.
    if (CkHttpResponseW_getStatusCode(resp) != 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"
        // 		    }
        // 		  }
        // 		}

        wprintf(L"%s\n",CkHttpResponseW_bodyStr(resp));
        wprintf(L"Failed\n");
    }
    else {
        wprintf(L"Event deleted.\n");
    }



    CkHttpW_Dispose(http);
    CkJsonObjectW_Dispose(jsonToken);
    CkStringBuilderW_Dispose(sbUrl);
    CkHttpResponseW_Dispose(resp);

    }