ExpandCollapsePattern.Pattern 필드

정의

네임스페이스:
System.Windows.Automation
어셈블리:
UIAutomationClient.dll

컨트롤 패턴을 식별합니다 ExpandCollapsePattern .

public: static initonly System::Windows::Automation::AutomationPattern ^ Pattern;
public static readonly System.Windows.Automation.AutomationPattern Pattern;
 staticval mutable Pattern : System.Windows.Automation.AutomationPattern
Public Shared ReadOnly Pattern As AutomationPattern

필드 값

AutomationPattern

예제

다음 예제에서는 UI 자동화 요소에서 ExpandCollapsePattern 컨트롤 패턴을 가져옵니다.

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

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

    return expandCollapsePattern;
}

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

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

    Return expandCollapsePattern

End Function 'GetExpandCollapsePattern

설명

이 식별자는 UI 자동화 클라이언트 애플리케이션에서 사용됩니다. UI 자동화 공급자는 ExpandCollapsePatternIdentifiers 해당 필드를 사용해야 합니다.

패턴 식별자(ID)는 지정된 컨트롤에서 관심 있는 컨트롤 패턴을 검색하는 등의 GetCurrentPattern 메서드에 전달됩니다 AutomationElement.

적용 대상

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