SelectionPattern.CanSelectMultipleProperty Campo

Definición

Espacio de nombres:

System.Windows.Automation

Ensamblado:

UIAutomationClient.dll

Identifica la propiedad CanSelectMultiple.

public: static initonly System::Windows::Automation::AutomationProperty ^ CanSelectMultipleProperty;

public static readonly System.Windows.Automation.AutomationProperty CanSelectMultipleProperty;

 staticval mutable CanSelectMultipleProperty : System.Windows.Automation.AutomationProperty

Public Shared ReadOnly CanSelectMultipleProperty As AutomationProperty 

Valor de campo

AutomationProperty

Ejemplos

En el ejemplo siguiente, se pasa un elemento raíz a una función que devuelve una colección de elementos Automatización de la interfaz de usuario descendientes de la raíz y satisface un conjunto de condiciones de propiedad.

///--------------------------------------------------------------------
/// <summary>
/// Finds all automation elements that satisfy 
/// the specified condition(s).
/// </summary>
/// <param name="rootElement">
/// The automation element from which to start searching.
/// </param>
/// <returns>
/// A collection of automation elements satisfying 
/// the specified condition(s).
/// </returns>
///--------------------------------------------------------------------
private AutomationElementCollection FindAutomationElement(
    AutomationElement rootElement)
{
    if (rootElement == null)
    {
        throw new ArgumentException("Root element cannot be null.");
    }

    PropertyCondition conditionCanSelectMultiple =
        new PropertyCondition(
        SelectionPattern.CanSelectMultipleProperty, true);

    PropertyCondition conditionIsSelectionRequired =
        new PropertyCondition(
        SelectionPattern.IsSelectionRequiredProperty, false);

    // Use any combination of the preceding condtions to 
    // find the control(s) of interest
    Condition condition = new AndCondition(
        conditionCanSelectMultiple,
        conditionIsSelectionRequired);

    return rootElement.FindAll(TreeScope.Descendants, condition);
}

'''--------------------------------------------------------------------
''' <summary>
''' Finds all automation elements that satisfy 
''' the specified condition(s).
''' </summary>
''' <param name="rootElement">
''' The automation element from which to start searching.
''' </param>
''' <returns>
''' A collection of automation elements satisfying 
''' the specified condition(s).
''' </returns>
'''--------------------------------------------------------------------
Private Function FindAutomationElement( _
ByVal rootElement As AutomationElement) As AutomationElementCollection
    If rootElement Is Nothing Then
        Throw New ArgumentException("Root element cannot be null.")
    End If

    Dim conditionCanSelectMultiple As New PropertyCondition( _
    SelectionPattern.CanSelectMultipleProperty, True)

    Dim conditionIsSelectionRequired As New PropertyCondition( _
    SelectionPattern.IsSelectionRequiredProperty, False)

    ' Use any combination of the preceding condtions to 
    ' find the control(s) of interest
    Dim condition As New AndCondition( _
    conditionCanSelectMultiple, conditionIsSelectionRequired)

    Return rootElement.FindAll(TreeScope.Descendants, condition)
End Function 'FindAutomationElement

Comentarios

Este identificador lo usan Automatización de la interfaz de usuario aplicaciones cliente. Automatización de la interfaz de usuario proveedores deben usar el campo equivalente en SelectionPatternIdentifiers.