C#怎么编写自定义函数????
private Function(形参)???
出错了!!!
private double Function(形参)???
C:\Documents and Settings\Administrator\桌面\沉陷评价\fatalness\Form1.cs(368): “WindowsApplication1.Form1.Distance(double, double, double[])” : 并非所有的代码路径都返回值