Inscrire un assembly de fournisseur côté client

Notes

Cette documentation s’adresse aux développeurs .NET Framework qui souhaitent utiliser les classes UI Automation managées définies dans l’espace de noms System.Windows.Automation. Pour obtenir les dernières informations sur UI Automation, consultez API Windows Automation : UI Automation.

Cette rubrique montre comment inscrire une DLL qui contient des fournisseurs UI Automation côté client.

Exemple

L’exemple suivant montre comment inscrire un assembly qui contient un fournisseur pour une fenêtre de console.

using System;
using System.Windows.Automation;
using System.Reflection;
using System.Runtime.InteropServices;
using System.IO;

namespace CSClient
{
    class CSClientProgram
    {
        [DllImport("kernel32.dll")]
        static extern IntPtr GetConsoleWindow();

        static void Main(string[] args)
        {
            // TODO  Change the path to the appropriate one for your CSProviderDLL.
            string fileloc = @"C:\SampleDependencies\CSProviderDLL.dll";
            Assembly a = null;
            try
            {
                a = Assembly.LoadFile(fileloc);
            }
            catch (FileNotFoundException e1)
            {
                Console.WriteLine(e1.Message);
            }
            if (a != null)
            {
                try
                {
                    ClientSettings.RegisterClientSideProviderAssembly(a.GetName());
                }
                catch (ProxyAssemblyNotLoadedException e)
                {
                    Console.WriteLine(e.Message);
                }

                IntPtr hwnd = GetConsoleWindow();

                // Get an AutomationElement that represents the window.
                AutomationElement elementWindow = AutomationElement.FromHandle(hwnd);
                Console.WriteLine("Found UI Automation client-side provider for:");

                // The name property is furnished by the client-side provider.
                Console.WriteLine(elementWindow.Current.Name);
                Console.WriteLine();
            }
            Console.WriteLine("Press any key to exit.");
            Console.ReadLine();
        }
    }
}

Imports System.Windows.Automation
Imports System.Reflection
Imports System.Runtime.InteropServices
Imports System.IO


Namespace CSClient
    Friend Class CSClientProgram
        <DllImport("kernel32.dll")>
        Shared Function GetConsoleWindow() As IntPtr
        End Function

        Shared Sub Main(ByVal args() As String)
            ' TODO  Change the path to the appropriate one for your CSProviderDLL.
            Dim fileloc As String = "C:\SampleDependencies\CSProviderDLL.dll"
            Dim a As System.Reflection.Assembly = Nothing
            Try
                a = System.Reflection.Assembly.LoadFile(fileloc)
            Catch e1 As FileNotFoundException
                Console.WriteLine(e1.Message)

            End Try
            If a IsNot Nothing Then
                Try
                    ClientSettings.RegisterClientSideProviderAssembly(a.GetName())
                Catch e As ProxyAssemblyNotLoadedException
                    Console.WriteLine(e.Message)
                End Try

                Dim hwnd As IntPtr = GetConsoleWindow()

                ' Get an AutomationElement that represents the window. 
                Dim elementWindow As AutomationElement = AutomationElement.FromHandle(hwnd)
                Console.WriteLine("Found UI Automation client-side provider for:")

                ' The name property is furnished by the client-side provider.
                Console.WriteLine(elementWindow.Current.Name)
                Console.WriteLine()
            End If
            Console.WriteLine("Press any key to exit.")
            Console.ReadLine()
        End Sub
    End Class
End Namespace

Voir aussi

• Créer un fournisseur UI Automation côté client