SelectionPattern.SelectionPatternInformation.GetSelection 方法

定义

命名空间:

System.Windows.Automation

程序集:

UIAutomationClient.dll

检索选择容器中选定的所有项。

public:
 cli::array <System::Windows::Automation::AutomationElement ^> ^ GetSelection();

public System.Windows.Automation.AutomationElement[] GetSelection ();

member this.GetSelection : unit -> System.Windows.Automation.AutomationElement[]

Public Function GetSelection () As AutomationElement()

返回

AutomationElement[]

已选定项的集合。 默认为空数组。

示例

在以下示例中，获取表示所选容器中选定项的 AutomationElements 集合。

///--------------------------------------------------------------------
/// <summary>
/// Gets the currently selected SelectionItem objects from target.
/// </summary>
/// <param name="ae">The current Selection container object.</param>
///--------------------------------------------------------------------
private AutomationElement[] GetCurrentSelection(
    AutomationElement selectionContainer)
{
    try
    {
        SelectionPattern selectionPattern =
            selectionContainer.GetCurrentPattern(
            SelectionPattern.Pattern) as SelectionPattern;
        return selectionPattern.Current.GetSelection();
    }
    // Container is not enabled
    catch (InvalidOperationException)
    {
        return null;
    }
}

'''--------------------------------------------------------------------
''' <summary>
''' Gets the currently selected SelectionItem objects from target.
''' </summary>
''' <param name="selectionContainer">The current Selection container object.</param>
'''--------------------------------------------------------------------
Private Function GetCurrentSelection( _
ByVal selectionContainer As AutomationElement) As AutomationElement()
    Try
        Dim selectionPattern As SelectionPattern = _
        selectionContainer.GetCurrentPattern(selectionPattern.Pattern)
        Return selectionPattern.Current.GetSelection()
        ' Container is not enabled
    Catch
        Return Nothing
    End Try
End Function 'GetCurrentSelection