Method Arguments: ByVal and ByRef
Methods can receive parameters and can then work with data provided by arguments. In the .NET terminology, parameters are objects that methods accept and that you write when you declare a method (or lambdas). Arguments are the expressions you pass to a method when you invoke it, and each one satisfies a method’s parameter. The following code shows a simple sample of a method definition receiving an argument and subsequent invocation of that method passing an argument; the method declaration defines a parameter called
stringToPrint and then the method body passes an argument to the
Public Sub PrintString(ByVal stringToPrint As String) Console.WriteLine(stringToPrint) ...