Public Shared Function 直线方程一般式_2D(ByVal P1 As Point2d, ByVal P2 As Point2d, _
ByRef A As Double, ByRef B As Double, ByRef C As Double) As Boolean
A = P2.Y - P1.Y
B = P1.X - P2.X
C = P2.X * P1.Y - P1.X * P2.Y
End Function
[本日志由 tiancao1001 于 2018-01-06 02:25 PM 编辑]
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