AutomationInteropProvider.HostProviderFromHandle(IntPtr) Método

Definição

Namespace:

System.Windows.Automation.Provider

Assembly:

UIAutomationProvider.dll

Retorna um provedor de Automação da Interface do Usuário que representa a janela especificada.

public:
 static System::Windows::Automation::Provider::IRawElementProviderSimple ^ HostProviderFromHandle(IntPtr hwnd);

public static System.Windows.Automation.Provider.IRawElementProviderSimple HostProviderFromHandle (IntPtr hwnd);

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

Public Shared Function HostProviderFromHandle (hwnd As IntPtr) As IRawElementProviderSimple

Parâmetros

hwnd

IntPtr

nativeint

O identificador de janela.

Retornos

IRawElementProviderSimple

O provedor de elemento bruto para a janela especificada.

Exemplos

/// <summary>
/// Gets the host provider.
/// </summary>
/// <remarks>
/// Fragment roots return their window providers; most others return null.
/// </remarks>
IRawElementProviderSimple IRawElementProviderSimple.HostRawElementProvider  
{
    get 
    {
        return AutomationInteropProvider.HostProviderFromHandle(myHandle);  
    }
}

''' <summary>
''' Gets the host provider.
''' </summary>
''' <remarks>
''' Fragment roots return their window providers; most others return null.
''' </remarks>
ReadOnly Property HostRawElementProvider() As IRawElementProviderSimple _
    Implements IRawElementProviderSimple.HostRawElementProvider

    Get
        Return AutomationInteropProvider.HostProviderFromHandle(myHandle)
    End Get
End Property

Comentários

A interface retornada por esse método só pode ser passada de volta para Automação da Interface do Usuário. A tentativa de chamar um método na interface gerará uma exceção.