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(Delphi ActiveX) OneDrive -- List Non-Root DirectoryThis gets the collection of DriveItem children for a non-root DriveItem. This is the same as for getting the children for the root DriveItem, except the URL includes the path to the desired non-root DriveItem. 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; resp: WideString; json: TChilkatJsonObject; lastMod: TCkDateTime; photoTaken: TCkDateTime; i: Integer; numItems: Integer; 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 FilesRead or Files.ReadWrite scope.) http.AuthToken := 'MICROSOFT_GRAPH_ACCESS_TOKEN'; // Send a Get request like this: // GET /me/drive/root:/{item-path}:/children // This example will get the DriveItems in /Misc/old // (In other words, we're getting the directory listing for /Misc/old.) http.SetUrlVar('item_path','/Misc/old'); resp := http.QuickGetStr('https://graph.microsoft.com/v1.0/me/drive/root:{$item_path}:/children'); if (http.LastMethodSuccess <> 1) then begin Memo1.Lines.Add(http.LastErrorText); Exit; end; // The response should be JSON. json := TChilkatJsonObject.Create(Self); json.EmitCompact := 0; json.Load(resp); // A successful response should return a status code of 200. if (http.LastStatus <> 200) then begin Memo1.Lines.Add(json.Emit()); Memo1.Lines.Add('Response status = ' + IntToStr(http.LastStatus)); Exit; end; Memo1.Lines.Add(json.Emit()); lastMod := TCkDateTime.Create(Self); photoTaken := TCkDateTime.Create(Self); // Iterate over the DriveItems in the JSON response: i := 0; numItems := json.SizeOfArray('value'); while i < numItems do begin json.I := i; Memo1.Lines.Add('-- DriveItem ' + IntToStr(i + 1)); Memo1.Lines.Add('id: ' + json.StringOf('value[i].id')); Memo1.Lines.Add('name: ' + json.StringOf('value[i].name')); Memo1.Lines.Add('size: ' + IntToStr(json.IntOf('value[i].size'))); // Get the lastModifiedDateTime lastMod.SetFromTimestamp(json.StringOf('value[i].fileSystemInfo.lastModifiedDateTime')); // Is this a folder? if (json.HasMember('value[i].folder') = 1) then begin Memo1.Lines.Add('This is a folder with ' + IntToStr(json.IntOf('value[i].folder.childCount')) + ' children'); end; if (json.HasMember('value[i].file') = 1) then begin Memo1.Lines.Add('This is a file.'); Memo1.Lines.Add('SHA1 hash: ' + json.StringOf('value[i].file.hashes.sha1Hash')); Memo1.Lines.Add('mimeType: ' + json.StringOf('value[i].mimeType')); end; if (json.HasMember('value[i].image') = 1) then begin Memo1.Lines.Add('This is an image.'); Memo1.Lines.Add('height: ' + IntToStr(json.IntOf('value[i].image.height'))); Memo1.Lines.Add('width: ' + IntToStr(json.IntOf('value[i].image.width'))); end; if (json.HasMember('value[i].photo') = 1) then begin Memo1.Lines.Add('This is a photo.'); photoTaken.SetFromTimestamp(json.StringOf('value[i].photo.takenDateTime')); Memo1.Lines.Add('photo taken on ' + photoTaken.GetAsRfc822(1)); end; if (json.HasMember('value[i].audio') = 1) then begin Memo1.Lines.Add('This is an audio file.'); Memo1.Lines.Add('duration: ' + IntToStr(json.IntOf('value[i].audio.duration'))); end; i := i + 1; end; end; |
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