Qt and Quest3D SDK

[bapi23]

Its possible to include qt gui to Quest3D sdk. Quest 3D is DirectX engine without any good gui inside.

Or

Its possible to open Qt window or any widget in Winapi application?

[cincirin]

You can use this (http://doc.qt.nokia.com/4.7-snapshot/qwidget.html#winId) to obtain HWND win32 window handle from Qt widget

[high_flyer]

Its possible to open Qt window or any widget in Winapi application?
Yes, if you link to Qt.