GridPattern.Pattern 字段

定义

命名空间:

System.Windows.Automation

程序集:

UIAutomationClient.dll

标识 GridPattern 控件模式。

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 

字段值

AutomationPattern

示例

在以下示例中，从GridPatternUI 自动化元素获取控件模式。

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

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

    return gridPattern;
}

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

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

    Return gridPattern
End Function 'GetGridPattern

注解

此标识符由UI 自动化客户端应用程序使用。 UI 自动化提供程序应使用等效字段。GridPatternIdentifiers

模式标识符将传递给方法，例如 GetCurrentPattern 从指定的 AutomationElement控件模式中检索感兴趣的控制模式。