FX_BOOL CPDFSDK_PageView::OnMouseWheel(double deltaX, double deltaY,const CPDF_Point& point, int nFlag) { if(CPDFSDK_Annot* pAnnot = GetFXWidgetAtPoint(point.x, point.y)) { CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv(); CPDFSDK_AnnotHandlerMgr* pAnnotHandlerMgr = pEnv->GetAnnotHandlerMgr(); ASSERT(pAnnotHandlerMgr); return pAnnotHandlerMgr->Annot_OnMouseWheel(this, pAnnot, nFlag, (int)deltaY, point); } return FALSE; }