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PropertyCondition Constructores

  • Referencia

Definición

Espacio de nombres:
System.Windows.Automation
Ensamblado:
UIAutomationClient.dll

Inicializa una nueva instancia de la clase PropertyCondition.

Sobrecargas

PropertyCondition(AutomationProperty, Object)

Inicializa una nueva instancia de la clase PropertyCondition.
PropertyCondition(AutomationProperty, Object, PropertyConditionFlags)

Inicializa una nueva instancia de la clase PropertyCondition con marcadores.

PropertyCondition(AutomationProperty, Object)

Inicializa una nueva instancia de la clase PropertyCondition.

public:
 PropertyCondition(System::Windows::Automation::AutomationProperty ^ property, System::Object ^ value);
public PropertyCondition (System.Windows.Automation.AutomationProperty property, object value);
new System.Windows.Automation.PropertyCondition : System.Windows.Automation.AutomationProperty * obj -> System.Windows.Automation.PropertyCondition
Public Sub New (property As AutomationProperty, value As Object)

Parámetros

property
AutomationProperty

Propiedad que se debe probar.

value
Object

Valor que se va probar para la propiedad.

Ejemplos

En el ejemplo siguiente, especifica PropertyCondition que el elemento de Automatización de la interfaz de usuario que se va a encontrar tiene un tipo de control de List. A PropertyCondition continuación, se usa para obtener el elemento de lista de un cuadro combinado.

Condition propCondition1 = new PropertyCondition(AutomationElement.ControlTypeProperty, ControlType.List);
AutomationElement listElement = elementCombo.FindFirst(TreeScope.Children, propCondition1);

Dim propCondition1 As New PropertyCondition(AutomationElement.ControlTypeProperty, ControlType.List)
Dim listElement As AutomationElement = elementCombo.FindFirst(TreeScope.Children, propCondition1)

Comentarios

El parámetro property no puede ser BoundingRectangleProperty.

Se aplica a

PropertyCondition(AutomationProperty, Object, PropertyConditionFlags)

Inicializa una nueva instancia de la clase PropertyCondition con marcadores.

public:
 PropertyCondition(System::Windows::Automation::AutomationProperty ^ property, System::Object ^ value, System::Windows::Automation::PropertyConditionFlags flags);
public PropertyCondition (System.Windows.Automation.AutomationProperty property, object value, System.Windows.Automation.PropertyConditionFlags flags);
new System.Windows.Automation.PropertyCondition : System.Windows.Automation.AutomationProperty * obj * System.Windows.Automation.PropertyConditionFlags -> System.Windows.Automation.PropertyCondition
Public Sub New (property As AutomationProperty, value As Object, flags As PropertyConditionFlags)

Parámetros

property
AutomationProperty

Propiedad que se debe probar.

value
Object

Valor que se va probar para la propiedad.

flags
PropertyConditionFlags

Marcadores que afectan a la comparación.

Ejemplos

En el ejemplo siguiente se usa para PropertyCondition recuperar el elemento de Automatización de la interfaz de usuario de Microsoft que representa la forma principal de una aplicación. El formulario se encuentra mediante una búsqueda que no distingue mayúsculas de minúsculas para su identificador de cadena.

/// <summary>
/// Find a UI Automation child element by ID.
/// </summary>
/// <param name="controlName">Name of the control, such as "button1"</param>
/// <param name="parentElement">Parent element, such as an application window, or the 
/// AutomationElement.RootElement when searching for the application window.</param>
/// <returns>The UI Automation element.</returns>
private AutomationElement FindChildElement(String controlName, AutomationElement rootElement)
{
    if ((controlName == "") || (rootElement == null))
    {
        throw new ArgumentException("Argument cannot be null or empty.");
    }
    // Set a property condition that will be used to find the main form of the
    // target application. In the case of a WinForms control, the name of the control
    // is also the AutomationId of the element representing the control.
    Condition propCondition = new PropertyCondition(
        AutomationElement.AutomationIdProperty, controlName, PropertyConditionFlags.IgnoreCase);

    // Find the element.
    return rootElement.FindFirst(TreeScope.Element | TreeScope.Children, propCondition);
}

''' <summary>
''' Find a UI Automation child element by ID.
''' </summary>
''' <param name="controlName">Name of the control, such as "button1"</param>
''' <param name="rootElement">Parent element, such as an application window, or the 
''' AutomationElement.RootElement when searching for the application window.</param>
''' <returns>The UI Automation element.</returns>
Private Function FindChildElement(ByVal controlName As String, ByVal rootElement As AutomationElement) _
    As AutomationElement
    If controlName = "" OrElse rootElement Is Nothing Then
        Throw New ArgumentException("Argument cannot be null or empty.")
    End If
    ' Set a property condition that will be used to find the main form of the
    ' target application. In the case of a WinForms control, the name of the control
    ' is also the AutomationId of the element representing the control.
    Dim propCondition As New PropertyCondition(AutomationElement.AutomationIdProperty, _
        controlName, PropertyConditionFlags.IgnoreCase)

    ' Find the element.
    Return rootElement.FindFirst(TreeScope.Element Or TreeScope.Children, propCondition)

End Function 'FindChildElement

Consulte también

Se aplica a