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الترجمة
الأصلي
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TableItemPattern.TableItemPatternInformation.GetRowHeaderItems أسلوب

Visual Studio 2010

قم باسترداد الجميع صف الرؤوس المقترنة بعنصر جدول أو خلية.

مساحة الاسم:  System.Windows.Automation
التجميع:  UIAutomationClient (في UIAutomationClient.dll)

public AutomationElement[] GetRowHeaderItems()

القيمة المُرجعة

النوع: System.Windows.Automation.AutomationElement[]
مجموعة من صف عناصر عنوان. القيمة الافتراضية هو صفيفة فارغ.

في المثال التالي، AutomationFocusChangedEventlهوtener هو التصريح بتعقب اجتياز عناصر جدول داخل حاوية الجدول. العنصر الخصائص المسجلة عند كل حدث تم تغييره تركيز.


///--------------------------------------------------------------------
/// <summary>
/// Set up table item event listeners.
/// </summary>
/// <remarks>
/// The event listener is essentially a focus change listener.
/// Since this is a global desktop listener, a filter would be required 
/// to ignore focus change events outside the table.
/// </remarks>
///--------------------------------------------------------------------
private void SetTableItemEventListeners()
{
    AutomationFocusChangedEventHandler tableItemFocusChangedListener =
        new AutomationFocusChangedEventHandler(OnTableItemFocusChange);
    Automation.AddAutomationFocusChangedEventHandler(
        tableItemFocusChangedListener);
}


...


///--------------------------------------------------------------------
/// <summary>
/// Event handler for table item focus change.
/// Can be used to track traversal of individual table items 
/// within a table.
/// </summary>
/// <param name="src">Object that raised the event.</param>
/// <param name="e">Event arguments.</param>
///--------------------------------------------------------------------
private void OnTableItemFocusChange(
    object src, AutomationFocusChangedEventArgs e)
{
    // Make sure the element still exists. Elements such as tooltips
    // can disappear before the event is processed.
    AutomationElement sourceElement;
    try
    {
        sourceElement = src as AutomationElement;
    }
    catch (ElementNotAvailableException)
    {
        return;
    }

    // Get a TableItemPattern from the source of the event.
    TableItemPattern tableItemPattern =
        GetTableItemPattern(sourceElement);

    if (tableItemPattern == null)
    {
        return;
    }

    // Get a TablePattern from the container of the current element.
    TablePattern tablePattern =
        GetTablePattern(tableItemPattern.Current.ContainingGrid);

    if (tablePattern == null)
    {
        return;
    }

    AutomationElement tableItem = null;
    try
    {
        tableItem = tablePattern.GetItem(
        tableItemPattern.Current.Row,
        tableItemPattern.Current.Column);
    }
    catch (ArgumentOutOfRangeException)
    {
        // If the requested row coordinate is larger than the RowCount 
        // or the column coordinate is larger than the ColumnCount.
        // -- OR --
        // If either of the requested row or column coordinates 
        // is less than zero.
        // TO DO: error handling.
    }

    // Further event processing can be done at this point.
    // For the purposes of this sample we can just record item properties.
    string controlType = 
        tableItem.Current.ControlType.LocalizedControlType;
    AutomationElement[] columnHeaders = 
        tableItemPattern.Current.GetColumnHeaderItems();
    AutomationElement[] rowHeaders = 
        tableItemPattern.Current.GetRowHeaderItems();
    int itemRow = tableItemPattern.Current.Row;
    int itemColumn = tableItemPattern.Current.Column;
    int itemRowSpan = tableItemPattern.Current.RowSpan;
    int itemColumnSpan = tableItemPattern.Current.ColumnSpan;
}

///--------------------------------------------------------------------
/// <summary>
/// Handles the application shutdown.
/// </summary>
/// <param name="args">Event arguments.</param>
///--------------------------------------------------------------------
protected override void OnExit(System.Windows.ExitEventArgs args)
{
    Automation.RemoveAllEventHandlers();
    base.OnExit(args);
}


نظام التشغيل Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008, نظام التشغيل Windows Server 2003

لا يدعم .NET Framework و .NET Compact Framework كافة الإصدارات الخاصة بكل نظام أساسي. للحصول على قائمة بالإصدارات المدعمة، راجع متطلبات النظام إطار عمل .NET.

.NET Framework

مدعوم في: 4, 3.5, 3.0

NET Framework. Client Profile

مدعوم في: 4
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