Instantiate delegate to reference method : Lambda « Language Basics « VB.Net






  1. VB.Net
  2. Language Basics
  3. Lambda

Instantiate delegate to reference method

 


Module GenericFunc
   Public Sub Main()

      Dim convertMethod As Func(Of String, String) = AddressOf UppercaseString
      Dim name As String = "test"
      Console.WriteLine(convertMethod(name))
   End Sub

   Private Function UppercaseString(inputString As String) As String
      Return inputString.ToUpper()
   End Function
End Module








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1.Func(T, TResult) represents a method that has one parameter and returns one value
2.Lambda Expression and Function
3.Declare a Func variable and assign a lambda expression to the variable
4.Predicate(T) Delegate represents the method that defines a set of criteria
5.Converter(TInput, TOutput) Delegate represents a method that converts an object from one type to another type.
6.Func(TResult) Delegate represents a method with no parameters returning a value of the type specified by the TResult parameter.