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Visual Basic Me Keyword
Visual Basic Me Keyword
In visual basic, Me keyword is useful to refer the current instance of the class and by using Me keyword we can pass the current instance of the class as a parameter to the other methods.
In case, if the class contains parameters and variables with the same name, then Me keyword is useful to distinguish between the parameters and variables.
We can also use Me keyword to declare the indexers and to specify the instance variable in the parameter list of an extension method.
Visual Basic Me Keyword Syntax
Following is the syntax of using Me keyword in visual basic programming language.
Me.instance_variable
If you observe the above syntax, Me is a keyword and instance_variable is an instance variable name.
Visual Basic Me keyword Example
Following is the example of using Me keyword in a visual basic programming language to refer the class variables and parameters of the same name. We can also use Me keyword to send the instance of a class to the method of another class.
Module Module1
Class User
Public name, location As String
Public marks As Long = 470
Public Sub New(ByVal name As String, ByVal location As String)
' Use Me to distinguish between parameters and variables
Me.name = name
Me.location = location
End Sub
Public Sub GetUserDetails()
Console.WriteLine("Name: {0}", name)
Console.WriteLine("Location: {0}", location)
' Passing a class instance to the method using this
Console.WriteLine("Marks: {0}", Exams.GetPercentage(Me))
End Sub
End Class
Class Exams
Public Shared Function GetPercentage(ByVal u As User) As Double
Dim i As Double = (CDbl(470) / 600) * 100
Return (i)
End Function
End Class
Sub Main()
Dim u As User = New User("Suresh Dasari", "Hyderabad")
u.GetUserDetails()
Console.WriteLine("Press Enter Key to Exit..")
Console.ReadLine()
End Sub
End Module
If you observe the above example, we used Me keyword to distinguish between the class variables & parameters of same name and we used Me keyword to send the instance of class (User) to the method of another class.
When we execute the above visual basic program, we will get the result like as shown below.
This is how we can use Me keyword in a visual basic programming language to refer the instance of a class based on our requirements.
