TextPattern.Pattern Feld
Definition
Wichtig
Einige Informationen beziehen sich auf Vorabversionen, die vor dem Release ggf. grundlegend überarbeitet werden. Microsoft übernimmt hinsichtlich der hier bereitgestellten Informationen keine Gewährleistungen, seien sie ausdrücklich oder konkludent.
Bezeichnet das TextPattern-Muster.
public: static initonly System::Windows::Automation::AutomationPattern ^ Pattern;
public static readonly System.Windows.Automation.AutomationPattern Pattern;
staticval mutable Pattern : System.Windows.Automation.AutomationPattern
Public Shared ReadOnly Pattern As AutomationPattern
Feldwert
Beispiele
// Set up the conditions for finding the text control.
PropertyCondition documentControl = new PropertyCondition(
AutomationElement.ControlTypeProperty,
ControlType.Document);
PropertyCondition textPatternAvailable = new PropertyCondition(
AutomationElement.IsTextPatternAvailableProperty, true);
AndCondition findControl =
new AndCondition(documentControl, textPatternAvailable);
// Get the Automation Element for the first text control found.
// For the purposes of this sample it is sufficient to find the
// first text control. In other cases there may be multiple text
// controls to sort through.
targetDocument =
targetWindow.FindFirst(TreeScope.Descendants, findControl);
// Didn't find a text control.
if (targetDocument == null)
{
targetResult.Content =
WPFTarget +
" does not contain a Document control type.";
targetResult.Background = Brushes.Salmon;
startWPFTargetButton.IsEnabled = false;
return;
}
// Get required control patterns
targetTextPattern =
targetDocument.GetCurrentPattern(
TextPattern.Pattern) as TextPattern;
// Didn't find a text control that supports TextPattern.
if (targetTextPattern == null)
{
targetResult.Content =
WPFTarget +
" does not contain an element that supports TextPattern.";
targetResult.Background = Brushes.Salmon;
startWPFTargetButton.IsEnabled = false;
return;
}
' Set up the conditions for finding the text control.
Dim documentControl As New PropertyCondition( _
AutomationElement.ControlTypeProperty, ControlType.Document)
Dim textPatternAvailable As New PropertyCondition( _
AutomationElement.IsTextPatternAvailableProperty, True)
Dim findControl As New AndCondition(documentControl, textPatternAvailable)
' Get the Automation Element for the first text control found.
' For the purposes of this sample it is sufficient to find the
' first text control. In other cases there may be multiple text
' controls to sort through.
targetDocument = targetWindow.FindFirst(TreeScope.Descendants, findControl)
' Didn't find a text control.
If targetDocument Is Nothing Then
targetResult.Content = _
WPFTarget + " does not contain a Document control type."
targetResult.Background = Brushes.Salmon
startWPFTargetButton.IsEnabled = False
Return
End If
' Get required control patterns
targetTextPattern = DirectCast( _
targetDocument.GetCurrentPattern(TextPattern.Pattern), TextPattern)
' Didn't find a text control that supports TextPattern.
If targetTextPattern Is Nothing Then
targetResult.Content = WPFTarget + _
" does not contain an element that supports TextPattern."
targetResult.Background = Brushes.Salmon
startWPFTargetButton.IsEnabled = False
Return
End If
Hinweise
Dieser Bezeichner wird von Benutzeroberflächenautomatisierung Clientanwendungen verwendet. Benutzeroberflächenautomatisierung Anbieter sollten das entsprechende Feld in TextPatternIdentifiers.
Der Musterbezeichner wird an Methoden übergeben, z GetCurrentPattern . B. zum Abrufen des Steuerelementmusters von Interesse aus dem angegebenen AutomationElement.