void CTestVc2005Dlg::CustomEntity_transformByMxdrawxctrl1(LPDISPATCH pCustomEntity, LPDISPATCH pMatXform, long* pOk)
            {
                // TODO: 在此处添加消息处理程序代码
                *pOk = 1;
                IMxDrawCustomEntityPtr spDrawData;
                pCustomEntity->QueryInterface(&spDrawData);

                IMxDrawMatrix3dPtr spMat;
                pMatXform->QueryInterface(&spMat);

                CString sGuid = spDrawData->Guid;
                if(sGuid == MX_CUSTOM_ENTITY_ID)
                {
                    if(spDrawData->IsHave(_T("ept") )  != VARIANT_TRUE)
                        return;

                    IMxDrawPointPtr stp =  spDrawData->GetPoint(_T("spt"));
                    if(stp == NULL)
                        return;

                    IMxDrawPointPtr ept =  spDrawData->GetPoint(_T("ept"));
                    if(ept == NULL)
                        return;

                    stp->TransformBy(spMat);
                    ept->TransformBy(spMat);

                    spDrawData->SetPoint(_T("ept"),ept);
                    spDrawData->SetPoint(_T("spt"),stp);
                }
            }