ex-22-01

来自「Programming Csharp Source Code(代码) Prog」· 代码 · 共 28 行

'' Example 22-01: Implementing the CalcControl ActiveX control


Public Function _
Add(left As Double, right As Double) _
As Double
    Add = left + right
End Function

Public Function _
Subtract(left As Double, right As Double) _
As Double
    Subtract = left - right
End Function

Public Function _
Multiply(left As Double, right As Double) _
As Double
    Multiply = left * right
End Function

Public Function _
Divide(left As Double, right As Double) _
As Double
    Divide = left / right
End Function