AutomationInteropProvider.ReturnRawElementProvider Método

public:
 static IntPtr ReturnRawElementProvider(IntPtr hwnd, IntPtr wParam, IntPtr lParam, System::Windows::Automation::Provider::IRawElementProviderSimple ^ el);

public static IntPtr ReturnRawElementProvider(IntPtr hwnd, IntPtr wParam, IntPtr lParam, System.Windows.Automation.Provider.IRawElementProviderSimple el);

static member ReturnRawElementProvider : nativeint * nativeint * nativeint * System.Windows.Automation.Provider.IRawElementProviderSimple -> nativeint

Public Shared Function ReturnRawElementProvider (hwnd As IntPtr, wParam As IntPtr, lParam As IntPtr, el As IRawElementProviderSimple) As IntPtr

Parâmetros

Retornos

Um ponteiro para os dados aos Result quais deve ser atribuído antes de passar a mensagem para o procedimento da janela base.

Exemplos

/// <summary>
/// Handles WM_GETOBJECT message; others are passed to base handler.
/// </summary>
/// <param name="m">Windows message.</param>
/// <remarks>
/// This method enables UI Automation to find the control.
/// In this example, the implementation of IRawElementProvider is in the same class
/// as this method.
/// </remarks>
protected override void WndProc(ref Message m)
{
    const int WM_GETOBJECT = 0x003D;

    if ((m.Msg == WM_GETOBJECT) && (m.LParam.ToInt32() == 
        AutomationInteropProvider.RootObjectId))
    {
        m.Result = AutomationInteropProvider.ReturnRawElementProvider(
                this.Handle, m.WParam, m.LParam, 
                (IRawElementProviderSimple)this);
        return;
    }
    base.WndProc(ref m);
}

''' <summary>
''' Handles WM_GETOBJECT message; others are passed to base handler.
''' </summary>
''' <param name="m">Windows message.</param>
''' <remarks>
''' This method enables UI Automation to find the control.
''' In this example, the implementation of IRawElementProvider is in the same class
''' as this method.
''' </remarks>
Protected Overrides Sub WndProc(ByRef m As Message)
    Const WM_GETOBJECT As Integer = &H3D

    If m.Msg = WM_GETOBJECT AndAlso m.LParam.ToInt32() = AutomationInteropProvider.RootObjectId Then
        m.Result = AutomationInteropProvider.ReturnRawElementProvider(Me.Handle, m.WParam, m.LParam, DirectCast(Me, IRawElementProviderSimple))
        Return
    End If
    MyBase.WndProc(m)

End Sub

Confira também

• Expose um provedor de Automação da Interface do Usuário
• Server-side Automação da Interface do Usuário Provider Implementation