Dropbox Dlephi component is a non-visual Delphi component that allows working with Dropbox accounts using Delphi. The component supports Delphi 7 and newer Delphi versions and works directly with the service using official Dropbox API v2. Official API use guarantees maximum compatibility and fewest possible modifications to future versions.

Features
Access to account and file/folder info
Create and edit folders
Upload, update and download files
Move and copy files between folders
Rename and delete files
Share files and folders
Get Delta info
Unicode support
HTTP, SSL, SOCKS4, SOCKS5 proxy servers support
HTTPS support

Examples
Connecting to Dropbox and showing list of folders and files in treeview.

procedure Browse(Parent: TTreeNode = nil);
var
  FFileInfo: TDFileInfo;
  CurNode: TTreeNode;
  Path: String;
begin
  if Parent = nil then
    Path := '/'
  else
    Path := TDFileInfo(Parent.Data).Path;
  if Dropbox.FindFirst(FFileInfo, Path) = 0 then
    repeat
      if Parent = nil then
        CurNode := TreeView.Items.AddChildObject(TreeView.Items.GetFirstNode,
        ExtractDName(FFileInfo.Path), FFileInfo)
      else
        CurNode := TreeView.Items.AddChildObject(Parent,
        ExtractDName(FFileInfo.Path), FFileInfo);
      if FFileInfo.IsDir then
        Browse(CurNode);
    until Dropbox.FindNext(FFileInfo) <> 0;
end;

Uploading Document.doc to Path folder.

Stream := TFileStream.Create('Document.doc', fmOpenRead);
    try
      Dropbox.Upload(Stream, Path + 'Document.doc');
    finally
      Stream.Free;
    end;

Uploading Document.doc to Path folder.

Stream := TFileStream.Create('Document.doc', fmOpenRead);
    try
      Dropbox.Upload(Stream, Path + 'Document.doc');
    finally
      Stream.Free;
    end;

Deleting file with FileInfo.

var
  FileInfo: TDFileInfo;
begin
  FileInfo := ...;
  Dropbox.Delete(FileInfo);

Only for V.I.P