gds Works

Continue
This is one of the features I've been looking for in VB .NET and I'm glad they added this functionality. Using this keyword insie the loop allows you to skip and perform the next iteraion. Continue For is used cojunction with For loop and Continue While is use in while loop.

Using
This is for garbage collection where in developer wishes to explicitly clean up the unmanged resources before abandoning an object. The object must implment IDisposable. Please see below for an example:

Public Class Countries
    Inherits Generic.List(Of Country)
    Implements IDisposable

    Public Overloads Sub Add(ByVal CountryName As String)
        Dim itm As New Country
        itm.CountryName = CountryName
        Me.Add(itm)
        Dim i As Integer = Me.Count - 1
        Me.Item(i).IDCountry = Me.Count
    End Sub

    Public Overloads Sub Dispose() Implements IDisposable.Dispose
        ' Do some clean up here
    End Sub
End Class

Dim mCountries As New Countries
' Retrive some data from mCountries
Using (mCountries)
' Manipulate data
End Using

# posted by gdys @ 6:57 PM 0 comments