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VB.NET AutomationElement.GetCurrentPattern方法代碼示例

本文整理匯總了VB.NET中System.Windows.Automation.AutomationElement.GetCurrentPattern方法的典型用法代碼示例。如果您正苦於以下問題:VB.NET AutomationElement.GetCurrentPattern方法的具體用法?VB.NET AutomationElement.GetCurrentPattern怎麽用?VB.NET AutomationElement.GetCurrentPattern使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。


在下文中一共展示了AutomationElement.GetCurrentPattern方法的1個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的VB.NET代碼示例。

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
開發者ID:VB.NET開發者,項目名稱:System.Windows.Automation,代碼行數:29,代碼來源:AutomationElement.GetCurrentPattern


注:本文中的System.Windows.Automation.AutomationElement.GetCurrentPattern方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台,相關代碼片段篩選自各路編程大神貢獻的開源項目,源碼版權歸原作者所有,傳播和使用請參考對應項目的License;未經允許,請勿轉載。