本文整理汇总了VB.NET中System.Windows.Automation.WindowPattern.WindowOpenedEvent字段的典型用法代码示例。如果您正苦于以下问题：VB.NET WindowPattern.WindowOpenedEvent字段的具体用法？VB.NET WindowPattern.WindowOpenedEvent怎么用？VB.NET WindowPattern.WindowOpenedEvent使用的例子？那么, 这里精选的字段代码示例或许可以为您提供帮助。
在下文中一共展示了WindowPattern.WindowOpenedEvent字段的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: RegisterForEvents
'''------------------------------------------------------------------------
''' <summary>
''' Register for events of interest.
''' </summary>
''' <param name="targetControl">
''' The automation element of interest.
''' </param>
'''------------------------------------------------------------------------
Private Sub RegisterForEvents(ByVal targetControl As AutomationElement)
Dim eventHandler As AutomationEventHandler = AddressOf OnWindowOpenOrClose
Automation.AddAutomationEventHandler(WindowPattern.WindowClosedEvent, _
targetControl, TreeScope.Element, eventHandler)
Automation.AddAutomationEventHandler(WindowPattern.WindowOpenedEvent, _
targetControl, TreeScope.Element, eventHandler)
End Sub
'''------------------------------------------------------------------------
''' <summary>
''' AutomationEventHandler delegate.
''' </summary>
''' <param name="src">Object that raised the event.</param>
''' <param name="e">Event arguments.</param>
'''------------------------------------------------------------------------
Private Sub OnWindowOpenOrClose(ByVal src As Object, _
ByVal e As AutomationEventArgs)
' Make sure the element still exists. Elements such as tooltips
' can disappear before the event is processed.
Dim sourceElement As AutomationElement
Try
sourceElement = DirectCast(src, AutomationElement)
Catch
Return
End Try
If e.EventId Is WindowPattern.WindowOpenedEvent Then
' TODO: event handling
Return
End If
If e.EventId Is WindowPattern.WindowClosedEvent Then
' TODO: event handling
Return
End If
End Sub