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(Delphi ActiveX) OneDrive -- Create a New FolderDemonstrates how to create a new folder. Note: This example requires Chilkat v9.5.0.68 or greater.
uses Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics, Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Chilkat_v9_5_0_TLB; ... procedure TForm1.Button1Click(Sender: TObject); var http: TChilkatHttp; json: TChilkatJsonObject; resp: WideString; jsonReqBody: TChilkatJsonObject; jObj: IChilkatJsonObject; url: WideString; resp: IChilkatHttpResponse; begin // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. http := TChilkatHttp.Create(Self); // Use your previously obtained access token here: // See the following examples for getting an access token: // Get Microsoft Graph OAuth2 Access Token (Azure AD v2.0 Endpoint). // Get Microsoft Graph OAuth2 Access Token (Azure AD Endpoint). // Refresh Access Token (Azure AD v2.0 Endpoint). // Refresh Access Token (Azure AD Endpoint). // (Make sure your token was obtained with the Files.ReadWrite scope.) http.AuthToken := 'MICROSOFT_GRAPH_ACCESS_TOKEN'; // To create a new folder, send a POST request like this: // POST /me/drive/items/{parent-item-id}/children // We first need to get the item-id for the folder where the new folder will be created. // This example will create a new folder named "abc" within /someFolder, // so we need the item-id for /someFolder. json := TChilkatJsonObject.Create(Self); json.EmitCompact := 0; resp := http.QuickGetStr('https://graph.microsoft.com/v1.0/me/drive/root:/someFolder'); if (http.LastMethodSuccess <> 1) then begin Memo1.Lines.Add(http.LastErrorText); Exit; end; json.Load(resp); if (http.LastStatus <> 200) then begin Memo1.Lines.Add('Failed to get parent folder item id, status code = ' + IntToStr(http.LastStatus)); Exit; end; // Set the URL var for the next request which will create the new folder. http.SetUrlVar('parent_item_id',json.StringOf('id')); // The HTTP request body should contain JSON like this: // { // "name": "abc", // "folder": { } // } jsonReqBody := TChilkatJsonObject.Create(Self); jsonReqBody.AppendString('name','abc'); jObj := jsonReqBody.AppendObject('folder'); Memo1.Lines.Add('JSON body:'); Memo1.Lines.Add(jsonReqBody.Emit()); url := 'https://graph.microsoft.com/v1.0/me/drive/items/{$parent_item_id}/children'; resp := http.PostJson2(url,'application/json',jsonReqBody.Emit()); if (http.LastMethodSuccess <> 1) then begin Memo1.Lines.Add(http.LastErrorText); Exit; end; json.Load(resp.BodyStr); Memo1.Lines.Add('Response:'); Memo1.Lines.Add(json.Emit()); // A 201 response indicates success. if (resp.StatusCode <> 201) then begin Memo1.Lines.Add('Failed to create folder.'); Memo1.Lines.Add('Response status code = ' + IntToStr(resp.StatusCode)); end else begin Memo1.Lines.Add('Successfully created folder.'); end; // A successful response: // { // "@odata.context": "https://graph.microsoft.com/v1.0/$metadata#users('me')/drive/items('3A33FCEB9B74CC15%214862')/children/$entity", // "createdBy": { // "application": { // "displayName": "Chilkat", // "id": "441c9990" // }, // "user": { // "displayName": "Matt Smith", // "id": "3a33fceb9b74cc15" // } // }, // "createdDateTime": "2017-06-04T16:02:22.203Z", // "cTag": "adDozQTMzRkNFQjlCNzRDQzE1ITQ4NzAuNjM2MzIxODg5NDIyMDMwMDAw", // "eTag": "aM0EzM0ZDRUI5Qjc0Q0MxNSE0ODcwLjA", // "id": "3A33FCEB9B74CC15!4870", // "lastModifiedBy": { // "application": { // "displayName": "Chilkat", // "id": "441c9990" // }, // "user": { // "displayName": "Matt Smith", // "id": "3a33fceb9b74cc15" // } // }, // "lastModifiedDateTime": "2017-06-04T16:02:22.203Z", // "name": "abc", // "parentReference": { // "driveId": "3a33fceb9b74cc15", // "id": "3A33FCEB9B74CC15!4862", // "name": "someFolder", // "path": "/drive/root:/someFolder" // }, // "size": 0, // "webUrl": "https://1drv.ms/f/s!ABXMdJvr_DM6pgY", // "fileSystemInfo": { // "createdDateTime": "2017-06-04T16:02:22.203Z", // "lastModifiedDateTime": "2017-06-04T16:02:22.203Z" // }, // "folder": { // "childCount": 0 // } // } // // Successfully created folder. end; |
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