exported library hook with QWidget::find() doesn't working

I have a QT hook.dll library which injected in 3rd party application with detours.dll. And if i adding QWidget::find() method to hook.cpp, then i getting DllNotFoundException in process of installing this hook. Else if i don't add QWidget::find() into .cpp, then hook establish 开发者_运维百科normally. Hook building with QT 4.7.1 with VS2008

Please help, i was tormented with this bug 2 days:(

solved. I opened hook.dll by Dependency Walker. And it check all deps. Well i just needed to place QTCore and QTGUI libraries to same folder with hook.dll.