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VB.Net Tutorial/Statements/Using statement - История изменений
2026-04-05T07:59:46Z
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в 16:40, 26 мая 2010
2010-05-26T16:40:30Z
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Admin: 1 версия
2010-05-26T12:53:56Z
<p>1 версия</p>
<p><b>Новая страница</b></p><div>==Using statement==<br />
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<source lang="vbnet">public class Test<br />
public Shared Sub Main<br />
Using _<br />
emp1 As New Employee("Ann", "Archer"), _<br />
emp2 As New Employee("Bob", "Beagle")<br />
Dim i As Integer<br />
End Using<br />
<br />
End Sub<br />
End class<br />
<br />
Public Class Employee<br />
Implements IDisposable<br />
Public Sub New(ByVal first_name As String, ByVal last_name As String)<br />
End Sub<br />
Private disposedValue As Boolean = False<br />
Protected Overridable Sub Dispose(ByVal disposing As Boolean)<br />
If Not Me.disposedValue Then<br />
If disposing Then<br />
Console.WriteLine("TODO: free unmanaged resources when explicitly called")<br />
End If<br />
Console.WriteLine("TODO: free shared unmanaged resources")<br />
End If<br />
Me.disposedValue = True<br />
End Sub<br />
Public Sub Dispose() Implements IDisposable.Dispose<br />
Dispose(True)<br />
GC.SuppressFinalize(Me)<br />
End Sub<br />
Protected Overrides Sub Finalize()<br />
Dispose(False)<br />
MyBase.Finalize()<br />
End Sub<br />
End Class</source><br />
<pre class=codeResult>TODO: free unmanaged resources when explicitly called<br />
TODO: free shared unmanaged resources<br />
TODO: free unmanaged resources when explicitly called<br />
TODO: free shared unmanaged resources</pre></div>
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