entity:dimhorizontal

说明:生成水平标注

用法:
 (entity:dimhorizontal pt1 pt2 pt-txt)

参数:1 pt1 : 单个2D/3D坐标点;2 pt2 : 单个2D/3D坐标点;3 pt-txt : 单个2D/3D坐标点;

返回值:return:标注图元名

示例:
example:(entity:dimhorizontal (getpoint) (getpoint) (getpoint))