VB.Net/LINQ/Where — различия между версиями
Admin (обсуждение | вклад) м (1 версия) |
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(нет различий)
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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