function DoInsert()
    {
        var mxOcx = document.all.item("MxDrawXCtrl1");
        var getPt = mxOcx.NewComObject("IMxDrawUiPrPoint");
        getPt.message ="点取插入点";
        if(getPt.go() != 1)
        {
            return;
        }

        var frstPt =getPt.value();
        if(frstPt == null)
        {

            return;
        }


        var  getSecondPt = mxOcx.NewComObject("IMxDrawUiPrPoint");

        var spDrawData =getSecondPt.InitUserDraw("TestDynDraw");


        getSecondPt.message = "点取旋转角度";
        getSecondPt.basePoint = frstPt;
        getSecondPt.setUseBasePt(true);

        spDrawData.SetPoint("pt1",frstPt);


        var sBlkName = "Tree";
        var sBlkFile = mxOcx.GetOcxAppPath() + "\Blk\树.dwg";

        mxOcx.InsertBlock(sBlkFile,"Tree");

        spDrawData.SetString("BlkName","Tree");

        if(getSecondPt.go() != 1)
        {

            return;
        }

        spDrawData.Draw();
    }

    function DoDynWorldDrawFun(dX,dY,pWorldDraw,pData)
    {

        var mxOcx = document.all.item("MxDrawXCtrl1");
        var sGuid = pData.Guid;

        mxOcx.SetEventRet(0);
        if(sGuid = "TestDynDraw")
        {
            // 动态插入图块。
            var firstPt =  pData.GetPoint("pt1");
            if(firstPt == null)
                return;

            var sBlkName =  pData.GetString("BlkName");

            var secondPt = mxOcx.NewPoint();

            secondPt.x = dX;
            secondPt.y = dY;

            var vec = firstPt.SumVector(secondPt);
            var dAng = vec.Angle();

            pWorldDraw.DrawBlockReference(firstPt.x,firstPt.y,sBlkName,1.0,dAng * 180.0 / 3.14159265 + 90.0);

            mxOcx.SetEventRet(1);
        }

    }