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(Delphi DLL) OneDrive -- List DrivesExample to retrieve the list of Drive resources available for a target User or Group. 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, JsonObject, Http; ... procedure TForm1.Button1Click(Sender: TObject); var http: HCkHttp; resp: PWideChar; json: HCkJsonObject; i: Integer; numDrives: Integer; begin // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. http := CkHttp_Create(); // 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 FilesRead or Files.ReadWrite scope.) CkHttp_putAuthToken(http,'MICROSOFT_GRAPH_ACCESS_TOKEN'); // Sends the following GET request: // GET https://graph.microsoft.com/v1.0/me/drives resp := CkHttp__quickGetStr(http,'https://graph.microsoft.com/v1.0/me/drives'); if (CkHttp_getLastMethodSuccess(http) <> True) then begin Memo1.Lines.Add(CkHttp__lastErrorText(http)); Exit; end; // The response should be JSON. json := CkJsonObject_Create(); CkJsonObject_putEmitCompact(json,False); CkJsonObject_Load(json,resp); // A successful response should return a status code of 200. if (CkHttp_getLastStatus(http) <> 200) then begin Memo1.Lines.Add(CkJsonObject__emit(json)); Memo1.Lines.Add('Response status = ' + IntToStr(CkHttp_getLastStatus(http))); Exit; end; Memo1.Lines.Add(CkJsonObject__emit(json)); // Sample output: // { // "@odata.context": "https://graph.microsoft.com/v1.0/$metadata#drives", // "value": [ // { // "id": "3a33fceb9b74cc15", // "driveType": "personal", // "owner": { // "user": { // "displayName": "Matt Smith", // "id": "3a33fceb9b74cc15" // } // }, // "quota": { // "deleted": 0, // "remaining": 1114571275977, // "state": "normal", // "total": 1115617755136, // "used": 1046479159 // } // } // ] // } // Iterate over the drives in the JSON response: i := 0; numDrives := CkJsonObject_SizeOfArray(json,'value'); while i < numDrives do begin CkJsonObject_putI(json,i); Memo1.Lines.Add('-- Drive ' + IntToStr(i + 1)); Memo1.Lines.Add('id: ' + CkJsonObject__stringOf(json,'value[i].id')); // The size will be a number larger than what can fit in a 32-bit integer. // Get the integer as a string.. Memo1.Lines.Add('total: ' + CkJsonObject__stringOf(json,'value[i].quota.total')); i := i + 1; end; CkHttp_Dispose(http); CkJsonObject_Dispose(json); end; |
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