VB.Net/Language Basics/Boolean

Материал из VB Эксперт
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(CBool(5) And CBool(8)) with (5 And 8)

Imports System
Imports System.Data
Imports System.Collections
public class MainClass
   Shared Sub Main()
        Console.WriteLine("5 And 8: " + (CBool(5) And CBool(8)).ToString)
        Console.WriteLine("5 And 8: " + (5 And 8).ToString())
   End Sub
End Class


Convert boolean to int value

Imports System
Imports System.Data
Imports System.Collections
public class MainClass
   Shared Sub Main()
        Dim A As Boolean
        Dim I As Integer
        A = True
        I = CInt(A)
        Console.WriteLine("True Value of Boolean in Integer is: " + I.ToString())
        A = False
        I = CInt(A)
        Console.WriteLine("False Value of Boolean in Integer is: " + I.ToString())
   End Sub
End Class


Convert int value to Boolean value

Imports System
Imports System.Data
Imports System.Collections
public class MainClass
   Shared Sub Main()
        Dim A As Boolean
        Dim I As Integer
        I = 5
        A = CBool(I)
        Console.WriteLine("Value of Boolean assigned from 5 is : " + A.ToString())
        I = 0
        A = CBool(I)
        Console.WriteLine("Value of Boolean assigned from 0 is : " + A.ToString())
        I = -1
        A = CBool(I)
        Console.WriteLine("Value of Boolean assigned from -1 is : " + A.ToString())
        I = -5
        A = CBool(I)
        Console.WriteLine("Value of Boolean assigned from -5 is : " + A.ToString())
   End Sub
End Class


Convert to int back and forth

Imports System
Imports System.Data
Imports System.Collections
public class MainClass
   Shared Sub Main()
        Dim A As Boolean
        Dim I As Integer
        I = 5
        A = CBool(I)
        Console.WriteLine("Value of Boolean assigned from 5 is : " + A.ToString())
        I = CInt(A)
        Console.WriteLine("And converted back to Integer: " + I.ToString())
   End Sub
End Class