(Delphi ActiveX) MS Graph Calendar Update Event

Update the properties of an event object.

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

Chilkat for Delphi Downloads Chilkat ActiveX DLL for Delphi Chilkat non-ActiveX DLL for Delphi * The examples here use the ActiveX DLL.

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Chilkat_TLB;

...

procedure TForm1.Button1Click(Sender: TObject);
var
http: TChilkatHttp;
success: Integer;
json: TChilkatJsonObject;
sbRequestBody: TChilkatStringBuilder;
resp: IChilkatHttpResponse;
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
// 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 := http.PTextSb('PATCH','https://graph.microsoft.com/v1.0/me/events/{id}',sbRequestBody.ControlInterface,'utf-8','application/json',0,0);
if (http.LastMethodSuccess = 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');
end;