您可以更改圆弧的角度,也可以更改开线、圆弧、开折线、椭圆弧和开样条的长度。结果类似于扩展和修剪对象。 您可以通过编辑对象的属性来扩展或修剪对象。例如,要延长一条线,只需更改理论属性的坐标即可。要更改弧的角度,请更改弧的理论属性。更改对象的特性后,使用该方法查看图形中的更改。StartPointEndPointStartAngleEndAngleUpdate 加长一行本示例创建一行,然后更改该行的终结点,从而生成更长的行。 Sub Ch4_LengthenLine() ' Define and create the line Dim lineObj As AcadLine Dim startPoint(0 To 2) As Double Dim endPoint(0 To 2) As Double startPoint(0) = 0 startPoint(1) = 0 startPoint(2) = 0 endPoint(0) = 1 endPoint(1) = 1 endPoint(2) = 1 Set lineObj = ThisDrawing.ModelSpace.AddLine(startPoint, endPoint) lineObj.Update ' Lengthen the line by changing the ' endpoint to 4, 4, 4 endPoint(0) = 4 endPoint(1) = 4 endPoint(2) = 4 lineObj.endPoint = endPoint lineObj.Update End Sub |
|Archiver|CAD开发者社区 ( 苏ICP备2022047690号-1 )
GMT+8, 2024-5-11 18:40
Powered by Discuz! X3.4
Copyright © 2001-2021, Tencent Cloud.