MultipleViewPattern.MultipleViewPatternInformation.GetSupportedViews Method

Reference

Definition

Namespace:: System.Windows.Automation

Assembly:: UIAutomationClient.dll

Important

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Retrieves a collection of control-specific view identifiers.

public:
 cli::array <int> ^ GetSupportedViews();

public int[] GetSupportedViews ();

member this.GetSupportedViews : unit -> int[]

Public Function GetSupportedViews () As Integer()

Returns

Int32[]

A collection of integer values that identify the views available for an AutomationElement. The default is an empty integer array.

Examples

In the following example, a collection of integer identifiers is obtained, representing the views available for a control that supports MultipleViewPattern.

///--------------------------------------------------------------------
/// <summary>
/// Obtains a MultipleViewPattern control pattern from an 
/// automation element.
/// </summary>
/// <param name="targetControl">
/// The automation element of interest.
/// </param>
/// <returns>
/// A MultipleViewPattern object.
/// </returns>
///--------------------------------------------------------------------
private MultipleViewPattern GetMultipleViewPattern(
    AutomationElement targetControl)
{
    MultipleViewPattern multipleViewPattern = null;

    try
    {
        multipleViewPattern =
            targetControl.GetCurrentPattern(
            MultipleViewPattern.Pattern)
            as MultipleViewPattern;
    }
    // Object doesn't support the MultipleViewPattern control pattern
    catch (InvalidOperationException)
    {
        return null;
    }

    return multipleViewPattern;
}

'/--------------------------------------------------------------------
'/ <summary>
'/ Obtains a MultipleViewPattern control pattern from an 
'/ automation element.
'/ </summary>
'/ <param name="targetControl">
'/ The automation element of interest.
'/ </param>
'/ <returns>
'/ A MultipleViewPattern object.
'/ </returns>
'/--------------------------------------------------------------------
Private Function GetMultipleViewPattern( _
ByVal targetControl As AutomationElement) As MultipleViewPattern
    Dim multipleViewPattern As MultipleViewPattern = Nothing

    Try
        multipleViewPattern = DirectCast( _
        targetControl.GetCurrentPattern(multipleViewPattern.Pattern), _
        MultipleViewPattern)
    Catch exc As InvalidOperationException
        'Object doesn't support the MultipleViewPattern control pattern
        Return Nothing
    End Try

    Return multipleViewPattern
End Function 'GetMultipleViewPattern

///--------------------------------------------------------------------
/// <summary>
/// Gets the collection of currently supported views from a target.
/// </summary>
/// <param name="multipleViewPattern">
/// The MultipleViewPattern obtained from a multiple view control.
/// </param>
/// <returns>
/// A collection of identifiers representing the supported views.
/// </returns>
///--------------------------------------------------------------------
private int[] GetSupportedViewsFromControl(
    MultipleViewPattern multipleViewPattern)
{
    if (multipleViewPattern == null)
    {
        throw new ArgumentNullException(
            "MultipleViewPattern parameter must not be null.");
    }

    return multipleViewPattern.Current.GetSupportedViews();
}

'/--------------------------------------------------------------------
'/ <summary>
'/ Gets the collection of currently supported views from a target.
'/ </summary>
'/ <param name="multipleViewPattern">
'/ The MultipleViewPattern obtained from a multiple view control.
'/ </param>
'/ <returns>
'/ A collection of identifiers representing the supported views.
'/ </returns>
'/--------------------------------------------------------------------
Private Function GetSupportedViewsFromControl( _
ByVal multipleViewPattern As MultipleViewPattern) As Integer()
    If multipleViewPattern Is Nothing Then
        Throw New ArgumentNullException( _
        "MultipleViewPattern parameter must not be null.")
    End If

    Return multipleViewPattern.Current.GetSupportedViews()

End Function 'GetSupportedViewsFromControl

Remarks

The collection of view identifiers is identical across instances.

View identifier values can be passed to GetViewName.

Applies to

Поділитися через