Take While Example : TakeWhile « LINQ « VB.Net






Take While Example

   

Imports System.Reflection
Imports System


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

Public Class Salary
    Public IDPerson As Integer
    Public Year As Integer
    Public SalaryYear As Double
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 salaries As New List(Of Salary)(New Salary() { _
                New Salary With {.IDPerson = 1, .Year = 2004, .SalaryYear = 10000.0}, _
                New Salary With {.IDPerson = 1, .Year = 2005, .SalaryYear = 15000.0}, _
                New Salary With {.IDPerson = 2, .Year = 2005, .SalaryYear = 15000.0} _
        })

        TakeWhileExample()




    End Sub
    Function takeFunc(ByVal n As Integer, ByVal index As Integer) As Boolean
        Return (n >= index)
    End Function

    Function skipFunc(ByVal n As Integer, ByVal index As Integer) As Boolean
        Return (n >= index)
    End Function


    Public Sub TakeWhileExample()
        Dim numbers As Integer() = New Integer() {9, 3, 5, 4, 2, 6, 7, 1, 8}
        Dim takeDelegate As New Func(Of Integer, Integer, Boolean)(AddressOf takeFunc)
        Dim skipDelegate As New Func(Of Integer, Integer, Boolean)(AddressOf skipFunc)
        Dim query = numbers.TakeWhile(takeDelegate)
        Dim query2 = numbers.SkipWhile(skipDelegate)
    End Sub
End Module

   
    
    
  








Related examples in the same category

1.Using Take While to get elements starting from the beginning until a condition