VB.Net/LINQ/Where — различия между версиями

Материал из VB Эксперт
Перейти к: навигация, поиск
м (1 версия)
 
(нет различий)

Текущая версия на 12:41, 26 мая 2010

Where with a function

  
Imports System.Collections.Generic
Imports System.Linq
Imports System.Runtime.rupilerServices

Public Class Role
    Public ID As Integer
    Public RoleDescription As String
End Class
Public Class Person
    Public ID As Integer
    Public IDRole As Integer
    Public LastName As String
    Public FirstName As String
End Class
Module Module1
    Sub Main()
        Dim people As New List(Of Person)(New Person() { _
            New Person With {.ID = 1, .IDRole = 1, .LastName = "A", .FirstName = "Brad"}, _
            New Person With {.ID = 2, .IDRole = 2, .LastName = "G", .FirstName = "Tom"} _
        })
        Dim roles As New List(Of Role)(New Role() { _
            New Role With {.ID = 1, .RoleDescription = "Manager"}, _
            New Role With {.ID = 2, .RoleDescription = "Developer"} _
        })
        Dim query = people.Where(AddressOf F)

    End Sub
    Function F(ByVal people As Person) As Boolean
        Return people.ID = 1
    End Function
End Module