Delphi ActiveX Requires Chilkat v11.0.0+

MS Graph Calendar Update Event

See more Microsoft Calendar Examples

Update the properties of an event object. Delphi ActiveX

var
success: Integer;
http: TChilkatHttp;
json: TChilkatJsonObject;
sbRequestBody: TChilkatStringBuilder;
resp: TChilkatHttpResponse;
sbResponseBody: TChilkatStringBuilder;
jResp: TChilkatJsonObject;
respStatusCode: Integer;
originalStartTimeZone: WideString;
originalEndTimeZone: WideString;
responseStatusResponse: WideString;
responseStatusTime: WideString;
recurrence: WideString;
iCalUId: WideString;
reminderMinutesBeforeStart: Integer;
isOnlineMeeting: Integer;
onlineMeetingProvider: WideString;
isReminderOn: Integer;
onlineMeetingJoinUrl: WideString;
onlineMeetingConferenceId: WideString;
onlineMeetingTollNumber: WideString;

begin
success := 0;

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

http := TChilkatHttp.Create(Self);

//  Implements the following CURL command:

//  curl -X PATCH https://graph.microsoft.com/v1.0/me/events/{id} \
//    -H "Content-type: application/json" \
//    -d '{
//    "originalStartTimeZone": "originalStartTimeZone-value",
//    "originalEndTimeZone": "originalEndTimeZone-value",
//    "responseStatus": {
//      "response": "",
//      "time": "datetime-value"
//    },
//    "recurrence": null,
//    "iCalUId": "iCalUId-value",
//    "reminderMinutesBeforeStart": 99,
//    "isOnlineMeeting": true,
//    "onlineMeetingProvider": "teamsForBusiness",
//    "isReminderOn": true,
//    "categories": ["Red category"]
//  }'

//  Use the following online tool to generate HTTP code from a CURL command
//  Convert a cURL Command to HTTP Source Code

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

//  The following JSON is sent in the request body.

//  {
//    "originalStartTimeZone": "originalStartTimeZone-value",
//    "originalEndTimeZone": "originalEndTimeZone-value",
//    "responseStatus": {
//      "response": "",
//      "time": "datetime-value"
//    },
//    "recurrence": null,
//    "iCalUId": "iCalUId-value",
//    "reminderMinutesBeforeStart": 99,
//    "isOnlineMeeting": true,
//    "onlineMeetingProvider": "teamsForBusiness",
//    "isReminderOn": true,
//    "categories": [
//      "Red category"
//    ]
//  }

json := TChilkatJsonObject.Create(Self);
json.UpdateString('originalStartTimeZone','originalStartTimeZone-value');
json.UpdateString('originalEndTimeZone','originalEndTimeZone-value');
json.UpdateString('responseStatus.response','');
json.UpdateString('responseStatus.time','datetime-value');
json.UpdateNull('recurrence');
json.UpdateString('iCalUId','iCalUId-value');
json.UpdateInt('reminderMinutesBeforeStart',99);
json.UpdateBool('isOnlineMeeting',1);
json.UpdateString('onlineMeetingProvider','teamsForBusiness');
json.UpdateBool('isReminderOn',1);
json.UpdateString('categories[0]','Red category');

http.SetRequestHeader('Content-type','application/json');

sbRequestBody := TChilkatStringBuilder.Create(Self);
json.EmitSb(sbRequestBody.ControlInterface);

resp := TChilkatHttpResponse.Create(Self);
success := http.HttpSb('PATCH','https://graph.microsoft.com/v1.0/me/events/{id}',sbRequestBody.ControlInterface,'utf-8','application/json',resp.ControlInterface);
if (success = 0) then
  begin
    Memo1.Lines.Add(http.LastErrorText);
    Exit;
  end;

sbResponseBody := TChilkatStringBuilder.Create(Self);
resp.GetBodySb(sbResponseBody.ControlInterface);
jResp := TChilkatJsonObject.Create(Self);
jResp.LoadSb(sbResponseBody.ControlInterface);
jResp.EmitCompact := 0;

Memo1.Lines.Add('Response Body:');
Memo1.Lines.Add(jResp.Emit());

respStatusCode := resp.StatusCode;
Memo1.Lines.Add('Response Status Code = ' + IntToStr(respStatusCode));
if (respStatusCode >= 400) then
  begin
    Memo1.Lines.Add('Response Header:');
    Memo1.Lines.Add(resp.Header);
    Memo1.Lines.Add('Failed.');
    Exit;
  end;

//  Sample JSON response:
//  (Sample code for parsing the JSON response is shown below)

//  {
//    "originalStartTimeZone": "originalStartTimeZone-value",
//    "originalEndTimeZone": "originalEndTimeZone-value",
//    "responseStatus": {
//      "response": "",
//      "time": "datetime-value"
//    },
//    "recurrence": null,
//    "iCalUId": "iCalUId-value",
//    "reminderMinutesBeforeStart": 99,
//    "isOnlineMeeting": true,
//    "onlineMeetingProvider": "teamsForBusiness",
//    "isReminderOn": true,
//    "onlineMeeting": {
//      "joinUrl": "https://teams.microsoft.com/l/meetup-join/19%3ameeting_NzIyNzhlMGEtM2YyZC00ZmY0LTlhNzUtZmZjNWFmZGNlNzE2%40thread.v2/0?context=%7b%22Tid%22%3a%2272f988bf-86f1-41af-91ab-2d7cd011db47%22%2c%22Oid%22%3a%22bc55b173-cff6-457d-b7a1-64bda7d7581a%22%7d",
//      "conferenceId": "177513992",
//      "tollNumber": "+91 22 6241 6885"
//    }
//  }

//  Sample code for parsing the JSON response...
//  Use the following online tool to generate parsing code from sample JSON:
//  Generate Parsing Code from JSON

originalStartTimeZone := jResp.StringOf('originalStartTimeZone');
originalEndTimeZone := jResp.StringOf('originalEndTimeZone');
responseStatusResponse := jResp.StringOf('responseStatus.response');
responseStatusTime := jResp.StringOf('responseStatus.time');
recurrence := jResp.StringOf('recurrence');
iCalUId := jResp.StringOf('iCalUId');
reminderMinutesBeforeStart := jResp.IntOf('reminderMinutesBeforeStart');
isOnlineMeeting := jResp.BoolOf('isOnlineMeeting');
onlineMeetingProvider := jResp.StringOf('onlineMeetingProvider');
isReminderOn := jResp.BoolOf('isReminderOn');
onlineMeetingJoinUrl := jResp.StringOf('onlineMeeting.joinUrl');
onlineMeetingConferenceId := jResp.StringOf('onlineMeeting.conferenceId');
onlineMeetingTollNumber := jResp.StringOf('onlineMeeting.tollNumber');