Case EVENT_WINDOWSIZE 'SetGadgetShape Cnv_G3D, 0, 0, ClientWidth(Wnd_Main), ClientHeight(Wnd_Main) TGlobal.width = ClientWidth(Cnv_G3D) TGlobal.height = ClientHeight(Cnv_G3D) CameraViewport(Cam,0,0,TGlobal.Width,TGlobal.Height)
You have to manually update the CameraViewport to the new size.