Imports System.Collections.Generic
Imports System.Linq
Imports System.Runtime.CompilerServices
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 predicate As New Func(Of Person, Boolean)(AddressOf wherePredicate)
Dim query = people.Where(predicate)
End Sub
Public Function wherePredicate(ByVal p As Person) As Boolean
Return p.ID = 1
End Function
End Module
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