TextPattern.Pattern Campo

Referência

Definição

Namespace:: System.Windows.Automation

Assembly:: UIAutomationClient.dll

Importante

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Identifica o padrão 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 do campo

AutomationPattern

Exemplos

// 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

Comentários

Esse identificador é usado por aplicativos cliente Automação da Interface do Usuário. Automação da Interface do Usuário provedores devem usar o campo equivalente em TextPatternIdentifiers.

O identificador de padrão é passado para métodos como GetCurrentPattern recuperar o padrão de controle de interesse do especificado AutomationElement.

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