IDispatch* pParam

命令参数，IMxDrawResbuf对象

pszExecute

命令名

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

            MxDrawEntity ent1 = (MxDrawEntity)axMxDrawX1.GetEntity("曲线1");            

            if (ent1 == null)                

                return;

            MxDrawEntity ent2 = (MxDrawEntity)axMxDrawX1.GetEntity("曲线2");            

            if (ent2 == null)                

                return;

            MxDrawResbuf param = new MxDrawResbuf();            

            // 曲线1 id.

            param.AddObjectId(ent1.ObjectID);            

            // 曲线2 id.

            param.AddObjectId(ent2.ObjectID);            

            // 导角半径.

            param.AddDoubleEx(10, 5001);            

            // 调用导角命令，            

            axMxDrawX1.SendStringToExecuteFun("Mx_Fillet", param);

            MxDrawResbuf ret = (MxDrawResbuf)axMxDrawX1.Cal("Mx_GetRetArgs");            

            if (ret.Count > 1)

            {                

                // 导角成功.

                axMxDrawX1.TwinkeEnt(ret.AtObjectId(1));

            }