TextPattern.TextFlowDirectionsAttribute Champ

public: static initonly System::Windows::Automation::AutomationTextAttribute ^ TextFlowDirectionsAttribute;

public static readonly System.Windows.Automation.AutomationTextAttribute TextFlowDirectionsAttribute;

 staticval mutable TextFlowDirectionsAttribute : System.Windows.Automation.AutomationTextAttribute

Public Shared ReadOnly TextFlowDirectionsAttribute As AutomationTextAttribute 

Valeur de champ

AutomationTextAttribute

Exemples

L’exemple suivant montre comment obtenir une valeur d’attribut pour une plage de texte dans Microsoft Bloc-notes.

private void GetTextFlowDirectionsAttribute()
{
    // Start application.
    Process p = Process.Start("Notepad.exe", "text.txt");

    // target --> The root AutomationElement.
    AutomationElement target = AutomationElement.FromHandle(p.MainWindowHandle);

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

    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;
    }

    Object oAttribute = textpatternPattern.DocumentRange.GetAttributeValue(TextPattern.TextFlowDirectionsAttribute);
    if (oAttribute == TextPattern.MixedAttributeValue)
    {
        Console.WriteLine("Mixed text flow directions.");
    }
    else
    {
        Console.WriteLine(oAttribute.ToString());
    }
}

Private Sub GetTextFlowDirectionsAttribute()
    ' Start application.
    Dim p As Process = Process.Start("Notepad.exe", "text.txt")

    ' target --> The root AutomationElement.
    Dim target As AutomationElement = AutomationElement.FromHandle(p.MainWindowHandle)

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

    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
    End If

    Dim oAttribute As Object = textpatternPattern.DocumentRange.GetAttributeValue(TextPattern.TextFlowDirectionsAttribute)
    If (oAttribute = TextPattern.MixedAttributeValue) Then
        Console.WriteLine("Mixed text flow directions.")
    Else
        Console.WriteLine(oAttribute.ToString())
    End If
End Sub

Remarques

Cet identificateur est utilisé par UI Automation applications clientes. UI Automation fournisseurs doivent utiliser le champ équivalent dans TextPatternIdentifiers.

UI Automation clients obtiennent la valeur de l’attribut en appelant GetAttributeValue.

Les valeurs de cet attribut sont de type FlowDirections. La valeur par défaut est Default.

S’applique à

Voir aussi

• TextPatternRange