Public Delegate Function Predicate(Of T) ( _
    obj As T _
) As Boolean

Dim instance As New Predicate(Of T)(AddressOf HandlerMethod)

public delegate bool Predicate<T> (
    T obj
)

generic<typename T>
public delegate bool Predicate (
    T obj
)

J#  prend en charge l'utilisation de types et de méthodes génériques mais pas la déclaration de nouveaux types et de méthodes génériques.

JScript ne prend pas en charge les types et les méthodes génériques.

Imports System
Imports System.Drawing

Public Class Example

    Public Shared Sub Main()

        ' Create an array of five Point structures.
        Dim points() As Point = { new Point(100, 200), _
            new Point(150, 250), new Point(250, 375), _
            new Point(275, 395), new Point(295, 450) }

        ' To find the first Point structure for which X times Y 
        ' is greater than 100000, pass the array and a delegate 
        ' that represents the ProductGT10 method to the Shared
        ' Find method of the Array class.
        Dim first As Point = Array.Find(points, _
            AddressOf ProductGT10)

        ' Note that you do not need to create the delegate 
        ' explicitly, or to specify the type parameter of the 
        ' generic method, because the compiler has enough
        ' context to determine that information for you.

        ' Display the first structure found.
        Console.WriteLine("Found: X = {0}, Y = {1}", _
            first.X, first.Y)
    End Sub

    ' This method implements the test condition for the Find
    ' method.
    Private Shared Function ProductGT10(ByVal p As Point) As Boolean
        If p.X * p.Y > 100000 Then
            Return True
        Else
            Return False
        End If
    End Function
End Class

' This code example produces the following output:
'
'Found: X = 275, Y = 395

using System;
using System.Drawing;

public class Example
{
    public static void Main()
    {
        // Create an array of five Point structures.
        Point[] points = { new Point(100, 200), 
            new Point(150, 250), new Point(250, 375), 
            new Point(275, 395), new Point(295, 450) };

        // To find the first Point structure for which X times Y 
        // is greater than 100000, pass the array and a delegate
        // that represents the ProductGT10 method to the Shared 
        // Find method of the Array class. 
        Point first = Array.Find(points, ProductGT10);

        // Note that you do not need to create the delegate 
        // explicitly, or to specify the type parameter of the 
        // generic method, because the C# compiler has enough
        // context to determine that information for you.

        // Display the first structure found.
        Console.WriteLine("Found: X = {0}, Y = {1}", first.X, first.Y);
    }

    // This method implements the test condition for the Find
    // method.
    private static bool ProductGT10(Point p)
    {
        if (p.X * p.Y > 100000)
        {
            return true;
        }
        else
        {
            return false;
        }
    }
}

/* This code example produces the following output:

Found: X = 275, Y = 395
 */