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TogglePattern.Toggle أسلوب

Visual Studio 2010

التنقل بين حالات تبديل AutomationElement.

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

public void Toggle()

أ عنصر تحكم التنقل بين به ToggleStateبهذا الترتيب: On,Offو، إذا كان معتمداً،Indeterminate.

In the following example, a TogglePattern control pattern is obtained from an AutomationElement and is subsequently used to toggle the AutomationElement.


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

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

    return togglePattern;
}


...


///--------------------------------------------------------------------
/// <summary>
/// Calls the TogglePattern.Toggle() method for an associated 
/// automation element.
/// </summary>
/// <param name="togglePattern">
/// The TogglePattern control pattern obtained from
/// an automation element.
/// </param>
///--------------------------------------------------------------------
private void ToggleElement(TogglePattern togglePattern)
{
    try
    {
        togglePattern.Toggle();
    }
    catch (InvalidOperationException)
    {
        // object is not able to perform the requested action
        return;
    }
}


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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