Visual Basic 2015 Unleashed

Constants

Constants provide a way to represent an immutable value with an identifier. There could be situations in which your applications need to use the same value (which can be of any .NET type); therefore, it can be convenient to define an easy-to-remember identifier instead of a value. What would happen if such a value were a Long number? You declare constants as follows:

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Const defaultIntegerValue As Integer = 123456789Const aConstantString As String = "Same value along the application"

Constants are read-only fields that can be declared only at the module and class level or within a method and must be assigned with a value when declared. Constants within methods have public visibility by default, whereas constants ...