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VB.NET AutomationElement.GetCurrentPattern方法代码示例

本文整理汇总了VB.NET中System.Windows.Automation.AutomationElement.GetCurrentPattern方法的典型用法代码示例。如果您正苦于以下问题:VB.NET AutomationElement.GetCurrentPattern方法的具体用法?VB.NET AutomationElement.GetCurrentPattern怎么用?VB.NET AutomationElement.GetCurrentPattern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AutomationElement.GetCurrentPattern方法的1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: SelectListItem

''' <summary>
''' Sets the focus to a list and selects a string item in that list.
''' </summary>
''' <param name="listElement">The list element.</param>
''' <param name="itemText">The text to select.</param>
''' <remarks>
''' This deselects any currently selected items. To add the item to the current selection 
''' in a multiselect list, use AddToSelection instead of Select.
''' </remarks>
Public Sub SelectListItem(ByVal listElement As AutomationElement, ByVal itemText As String)
    If listElement Is Nothing OrElse itemText = "" Then
        Throw New ArgumentException("Argument cannot be null or empty.")
    End If
    listElement.SetFocus()
    Dim cond As New PropertyCondition(AutomationElement.NameProperty, itemText, PropertyConditionFlags.IgnoreCase)
    Dim elementItem As AutomationElement = listElement.FindFirst(TreeScope.Children, cond)
    If Not (elementItem Is Nothing) Then
        Dim pattern As SelectionItemPattern
        Try
            pattern = DirectCast(elementItem.GetCurrentPattern(SelectionItemPattern.Pattern), _
                SelectionItemPattern)
        Catch ex As InvalidOperationException
            Console.WriteLine(ex.Message) ' Most likely "Pattern not supported."
            Return
        End Try
        pattern.Select()
    End If

End Sub
开发者ID:VB.NET开发者,项目名称:System.Windows.Automation,代码行数:29,代码来源:AutomationElement.GetCurrentPattern


注:本文中的System.Windows.Automation.AutomationElement.GetCurrentPattern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。