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CBool Function

CBool Function is used to convert a data type to Boolean data type




CBool (expression)

Working with CBool function


Here we are going to create a project in which we are using a CBool function:


    • Create a new project in Visual Studio 2010 by selecting File ➪ New Project from the menu bar. In the New Project dialog, select Windows Forms Application from the right-hand pane, enter the project name as CBoolFunction, and click OK as shown in figure:


    • Now drag and drop a Button control from the toolbox to the form and change its text property to “ShowExpressionValue” as given below in the diagram:


    • Double-click the button “ShowExpressionValue” to open the Button1.Click event handler. Add the following given code to it:
Private Sub Button1_Click(sender As System.Object, e As System.EventArgs) Handles Button1.Click
Dim a1 As Integer = 5
Dim a2 As Integer = 5
MessageBox.Show(“Value of Expression a1=a2 is:” & CBool(a1 = a2).ToString, _
End Sub


    • Now execute the project by pressing F5 key it will open a form as follows:


    • Now click on the button “ShowExpressionValue” present on the form this will show you a message box as follows:


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