sgt24680`发表于2007-10-8 10:53:00 我这的错误也是不能写或读的错误,我用的是vs2003和cad2006
我是用vb.net 就如23楼大哥所说的做! Dim line As Line Dim a As Double Dim b As Double Dim c As Double a = pt1.X + x b = pt1.Y + y c = pt1.Z Dim pt2 As Point3d = New Point3d(a, b, c) line = AddLine(pt1, pt2) |