2009.05.10更新更新下载地址:http://www.mxdraw.com/downland/MxDraw3.0(20090510)BetaTryVersion.exe1.增加布局功能和相关接口，如：McDbLayout,McDbLayoutManager等类。2.增加鼠标移动到实体上的动态提示功能和相关接口。如：//ARX的动态事件接口，虚函数。virtualMcad::ErrorStatusMcEdInputPointMonitor::MonitorInputPointToolTip(INconstMcDbObjectIdArray&pickedEntities,INconstMcGePoint