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VB.NET ScrollItemPattern.ScrollIntoView方法代码示例

本文整理汇总了VB.NET中System.Windows.Automation.ScrollItemPattern.ScrollIntoView方法的典型用法代码示例。如果您正苦于以下问题:VB.NET ScrollItemPattern.ScrollIntoView方法的具体用法?VB.NET ScrollItemPattern.ScrollIntoView怎么用?VB.NET ScrollItemPattern.ScrollIntoView使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。


在下文中一共展示了ScrollItemPattern.ScrollIntoView方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的VB.NET代码示例。

示例1: GetScrollItemPattern

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

    Try
        scrollItemPattern = DirectCast( _
        targetControl.GetCurrentPattern( _
        scrollItemPattern.Pattern), ScrollItemPattern)
    Catch
        ' Object doesn't support the ScrollItemPattern control pattern
        Return Nothing
    End Try

    Return scrollItemPattern

End Function 'GetScrollItemPattern
开发者ID:VB.NET开发者,项目名称:System.Windows.Automation,代码行数:28,代码来源:ScrollItemPattern.ScrollIntoView

示例2: OnSelectionItemSelect

'''--------------------------------------------------------------------
''' <summary>
''' A Select, AddToSelection or RemoveFromSelection event handler that 
''' scrolls a SelectionItem object into the viewable region of its 
''' container control.
''' </summary>
'''--------------------------------------------------------------------
Private Sub OnSelectionItemSelect( _
ByVal src As Object, ByVal e As SelectionChangedEventArgs)
    Dim selectionItem As AutomationElement = _
    DirectCast(src, AutomationElement)

    Dim scrollItemPattern As ScrollItemPattern = _
    GetScrollItemPattern(selectionItem)

    If scrollItemPattern Is Nothing Then
        Return
    End If

    Try
        scrollItemPattern.ScrollIntoView()
    Catch exc As InvalidOperationException
        ' The item cannot be scrolled into view.
        ' TO DO: error handling.
    End Try

End Sub
开发者ID:VB.NET开发者,项目名称:System.Windows.Automation,代码行数:27,代码来源:ScrollItemPattern.ScrollIntoView


注:本文中的System.Windows.Automation.ScrollItemPattern.ScrollIntoView方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。