SelectionItemPattern.Select Methode

Definition

Hebt die Auswahl aller ausgewählten Elemente auf und wählt dann das aktuelle Element.Deselects any selected items and then selects the current element.

public:
 void Select();
public void Select ();
member this.Select : unit -> unit
Public Sub Select ()

Beispiele

Im folgenden Beispiel wird gezeigt, wie ein Element in einem Container ausgewählt wird, indem der Text des Elements angegeben wird.The following example shows how to select an item in a container by specifying the text of the item.

///--------------------------------------------------------------------
/// <summary>
/// Selects a string item in a container.
/// </summary>
/// <param name="selectionContainer">The selection container.</param>
/// <param name="itemText">The text to select.</param>
/// <remarks>
/// This deselects any currently selected items. 
/// To add the item to the current selection in a multiselect list, 
/// use AddToSelection instead of Select.
/// </remarks>
///--------------------------------------------------------------------
public void SelectListItem(
    AutomationElement selectionContainer, String itemText)
{
    if ((selectionContainer == null) || (itemText == ""))
    {
        throw new ArgumentException(
            "Argument cannot be null or empty.");
    }

    Condition propertyCondition = new PropertyCondition(
        AutomationElement.NameProperty, 
        itemText, 
        PropertyConditionFlags.IgnoreCase);

    AutomationElement firstMatch = 
        selectionContainer.FindFirst(TreeScope.Children, propertyCondition);

    if (firstMatch != null)
    {
        try
        {
            SelectionItemPattern selectionItemPattern;
            selectionItemPattern = 
            firstMatch.GetCurrentPattern(
            SelectionItemPattern.Pattern) as SelectionItemPattern;
            selectionItemPattern.Select();
        }
        catch (InvalidOperationException)
        {
            // Unable to select
            return;
        }
    }
}
'''--------------------------------------------------------------------
''' <summary>
''' Selects a string item in a container.
''' </summary>
''' <param name="selectionContainer">The selection container.</param>
''' <param name="itemText">The text to select.</param>
''' <remarks>
''' This deselects any currently selected items. 
''' To add the item to the current selection in a multiselect list, 
''' use AddToSelection instead of Select.
''' </remarks>
'''--------------------------------------------------------------------
Public Sub SelectListItem( _
ByVal selectionContainer As AutomationElement, ByVal itemText As String)
    If selectionContainer Is Nothing OrElse itemText = "" Then
        Throw New ArgumentException("Argument cannot be null or empty.")
    End If

    Dim propertyCondition = _
    New PropertyCondition(AutomationElement.NameProperty, _
    itemText, PropertyConditionFlags.IgnoreCase)

    Dim firstMatch As AutomationElement = _
    selectionContainer.FindFirst(TreeScope.Children, propertyCondition)

    If Not (firstMatch Is Nothing) Then
        Try
            Dim selectionItemPattern As SelectionItemPattern
            selectionItemPattern = DirectCast( _
            firstMatch.GetCurrentPattern(selectionItemPattern.Pattern), _
            SelectionItemPattern)
            selectionItemPattern.Select()
        Catch
            ' Unable to select
            Return
        End Try
    End If
End Sub

Gilt für: