(MFC) Delete a Google Calendar Event

See more Google Calendar Examples

Demonstrates how to delete a Google Calendar event.

For more information, see https://developers.google.com/calendar/v3/reference/events/delete

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

See Also: Using MFC CString in Chilkat

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

    // This example uses a previously obtained access token having permission for the 
    // Google Calendar scope.

    // In this example, Get Google Calendar OAuth2 Access Token, the access
    // token was saved to a JSON file.  This example fetches the access token from the file..
    CkJsonObject jsonToken;
    bool success = jsonToken.LoadFile("qa_data/tokens/googleCalendar.json");
    if (jsonToken.HasMember("access_token") == false) {
        strOut.append("No access token found.");
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    CkHttp http;
    http.put_AuthToken(jsonToken.stringOf("access_token"));

    // Your URL should use the actual calendar ID and the actual event ID for the event to be deleted.
    const char *url = "https://www.googleapis.com/calendar/v3/calendars/your_calendar_id/events/your_event_id";

    CkHttpResponse *resp = http.QuickRequest("DELETE",url);
    if (http.get_LastMethodSuccess() == false) {
        strOut.append(http.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    if (resp->get_StatusCode() == 204) {
        // Success.
        strOut.append("Event deleted");
        strOut.append("\r\n");
    }
    else {
        if (resp->get_StatusCode() == 401) {
            strOut.append("Try refreshing the access token and then retry...");
            strOut.append("\r\n");
        }

        // Failed. 
        strOut.append(resp->bodyStr());
        strOut.append("\r\n");
    }

    delete resp;


    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());

    }