[vb.net] ArgumentException 클래스 / 오류(Error)를 리턴

Example:

Imports System

Public Class Example

    Private Shared Sub Main()

        ' Define some integers for a division operation.

        Dim values = {10, 7}

        For Each value In values

            Try

                Console.WriteLine("{0} divided by 2 is {1}", value, DivideByTwo(value))

            Catch e As ArgumentException

                Console.WriteLine("{0}: {1}", e.GetType().Name, e.Message)

            End Try

            Console.WriteLine()

        Next

    End Sub

    Private Shared Function DivideByTwo(ByVal num As Integer) As Integer

        ' If num is an odd number, throw an ArgumentException.

        If (num And 1) = 1 Then Throw New ArgumentException(String.Format("{0} is not an even number", num), "num")

        ' num is even, return half of its value.

        Return num / 2

    End Function

End Class

' This example displays the following output:

'     10 divided by 2 is 5

'

'     ArgumentException: 7 is not an even number

'     Parameter name: num

Example:

Public Sub SomeMethod()

    If m_Disposed Then

        Throw New ObjectDisposedException("Object has been disposed")

    End If

    ' ... Normal execution code

End Sub