Debug.Assert : Debug « System.Diagnostics « VB.Net by API

1. VB.Net by API
2. System.Diagnostics
3. Debug

Debug.Assert

  

Imports System.IO
Module Module1

    Sub Main()
        Dim FileStr As StreamWriter

        System.Diagnostics.Debug.Assert(Not (FileStr Is Nothing), "FileStr is NULL")

        System.Diagnostics.Debug.Assert(Directory.Exists("\Temp"), "\Temp does not exist")

    End Sub

End Module

   
    
  

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