TextPattern.GetSelection Methode

public:
 cli::array <System::Windows::Automation::Text::TextPatternRange ^> ^ GetSelection();

public System.Windows.Automation.Text.TextPatternRange[] GetSelection();

member this.GetSelection : unit -> System.Windows.Automation.Text.TextPatternRange[]

Public Function GetSelection () As TextPatternRange()

Retouren

Een verzameling niet-aaneengesloten tekstbereiken.

Uitzonderingen

Voorbeelden

private TextPatternRange CurrentSelection(AutomationElement target)
{
    // Specify the control type we're looking for, in this case 'Document'
    PropertyCondition cond = new PropertyCondition(AutomationElement.ControlTypeProperty, ControlType.Document);

    // target --> The root AutomationElement.
    AutomationElement textProvider = target.FindFirst(TreeScope.Descendants, cond);

    TextPattern textpatternPattern = textProvider.GetCurrentPattern(TextPattern.Pattern) as TextPattern;

    if (textpatternPattern == null)
    {
        Console.WriteLine("Root element does not contain a descendant that supports TextPattern.");
        return null;
    }
    TextPatternRange[] currentSelection = textpatternPattern.GetSelection();
    return currentSelection[0];
}

Private Function CurrentSelection(ByVal target As AutomationElement) As TextPatternRange
    ' Specify the control type we're looking for, in this case 'Document'
    Dim cond As PropertyCondition = New PropertyCondition(AutomationElement.ControlTypeProperty, ControlType.Document)

    ' target --> The root AutomationElement.
    Dim textProvider As AutomationElement = target.FindFirst(TreeScope.Descendants, cond)

    Dim textpatternPattern As TextPattern = CType(textProvider.GetCurrentPattern(TextPattern.Pattern), TextPattern)

    If (textpatternPattern Is Nothing) Then
        Console.WriteLine("Root element does not contain a descendant that supports TextPattern.")
        Return Nothing
    End If
    Dim currentTextSelection As TextPatternRange() = textpatternPattern.GetSelection()
    Return currentTextSelection(0)
End Function

Opmerkingen

Als er geen tekst is geselecteerd, GetSelection wordt het ontaarde tekstbereik (leeg bereik) geretourneerd op de positie van de systeemcursor (tekstinvoegpositie).

Als de systeemcursor (tekstinvoegpositie) niet aanwezig is, GetSelection wordt mogelijk geretourneerd null.

Zie ook

• TextPatternRange