有高手会用TSOAPAttachment 能帮我解决下这个问题吗
function TFrmMain.UploadFile(aFileName: string): Boolean;
var
s: TSOAPAttachment;
begin
s:= TSOAPAttachment.Create;
s.SetSourceFile(aFileName);
end;
[Error] IDataHubService1.pas(44): Undeclared identifier: 'TSOAPAttachment'
小弟不知道用这个类应该怎么弄 求高手指点