Func(T, TResult) represents a method that has one parameter and returns one value : Lambda « Language Basics « VB.Net






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  3. Lambda

Func(T, TResult) represents a method that has one parameter and returns one value

 

Delegate Function ConvertMethod(ByVal inString As String) As String

Module DelegateExample
   Public Sub Main()
      Dim convertMeth As ConvertMethod = AddressOf UppercaseString
      Dim name As String = "Dakota"
      Console.WriteLine(convertMeth(name))
   End Sub
   Private Function UppercaseString(inputString As String) As String
      Return inputString.ToUpper()
   End Function
End Module








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1.Instantiate delegate to reference method
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.