DockPattern.DockPositionProperty Feld

Definition

Namespace:

System.Windows.Automation

Assembly:

UIAutomationClient.dll

Gibt die DockPosition-Eigenschaft an.

public: static initonly System::Windows::Automation::AutomationProperty ^ DockPositionProperty;

public static readonly System.Windows.Automation.AutomationProperty DockPositionProperty;

 staticval mutable DockPositionProperty : System.Windows.Automation.AutomationProperty

Public Shared ReadOnly DockPositionProperty As AutomationProperty 

Feldwert

AutomationProperty

Beispiele

Im folgenden Beispiel wird ein DockPosition Wert abgerufen, der die aktuelle Dockposition für ein Steuerelement darstellt, das unterstützt DockPattern.

///--------------------------------------------------------------------
/// <summary>
/// Finds all automation elements that satisfy 
/// the specified condition(s).
/// </summary>
/// <param name="targetApp">
/// The automation element from which to start searching.
/// </param>
/// <returns>
/// A collection of automation elements satisfying 
/// the specified condition(s).
/// </returns>
///--------------------------------------------------------------------
private AutomationElementCollection FindAutomationElement(
    AutomationElement targetApp)
{
    if (targetApp == null)
    {
        throw new ArgumentException("Root element cannot be null.");
    }

    PropertyCondition conditionSupportsDock =
        new PropertyCondition(
        AutomationElement.IsDockPatternAvailableProperty, true);

    return targetApp.FindAll(
        TreeScope.Descendants, conditionSupportsDock);
}

'''--------------------------------------------------------------------
''' <summary>
''' Finds all automation elements that satisfy 
''' the specified condition(s).
''' </summary>
''' <param name="targetApp">
''' The automation element from which to start searching.
''' </param>
''' <returns>
''' A collection of automation elements satisfying 
''' the specified condition(s).
''' </returns>
'''--------------------------------------------------------------------
Private Function FindAutomationElement( _
ByVal targetApp As AutomationElement) As AutomationElementCollection
    If targetApp Is Nothing Then
        Throw New ArgumentException("Root element cannot be null.")
    End If

    Dim conditionSupportsDock As New PropertyCondition( _
    AutomationElement.IsDockPatternAvailableProperty, True)

    Return targetApp.FindAll( _
    TreeScope.Descendants, conditionSupportsDock)

End Function 'FindAutomationElement

///--------------------------------------------------------------------
/// <summary>
/// Gets the current DockPosition of a target.
/// </summary>
/// <param name="dockControl">
/// The automation element of interest.
/// </param>
/// <returns>
/// The current dock position.
/// </returns>
///--------------------------------------------------------------------
private DockPosition GetCurrentDockPosition(
    AutomationElement dockControl)
{
    if (dockControl == null)
    {
        throw new ArgumentNullException(
            "AutomationElement parameter must not be null.");
    }

    return (DockPosition)dockControl.GetCurrentPropertyValue(
        DockPattern.DockPositionProperty);
}

'''--------------------------------------------------------------------
''' <summary>
''' Gets the current DockPosition of a target.
''' </summary>
''' <param name="dockControl">
''' The automation element of interest.
''' </param>
''' <returns>
''' The current dock position.
''' </returns>
'''--------------------------------------------------------------------
Private Overloads Function GetCurrentDockPosition( _
ByVal dockControl As AutomationElement) As DockPosition
    If dockControl Is Nothing Then
        Throw New ArgumentNullException( _
        "AutomationElement parameter must not be null.")
    End If

    Return CType(dockControl.GetCurrentPropertyValue( _
    DockPattern.DockPositionProperty), DockPosition)

End Function 'GetCurrentDockPosition

Hinweise

Dieser Bezeichner wird von Benutzeroberflächenautomatisierung Clientanwendungen verwendet. Benutzeroberflächenautomatisierung Anbieter sollten das entsprechende Feld in DockPatternIdentifiers.

Diese Eigenschaft kann auch aus den Current Eigenschaften abgerufen Cached werden.

Der Standardwert ist None.