TextPattern.Pattern Campo

Definición

Espacio de nombres:

System.Windows.Automation

Ensamblado:

UIAutomationClient.dll

Identifica el patrón TextPattern.

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 

Valor de campo

AutomationPattern

Ejemplos

// 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

Comentarios

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

El identificador de patrón se pasa a métodos como GetCurrentPattern para recuperar el patrón de control de interés del especificado AutomationElement.