本文整理汇总了VB.NET中System.Windows.Automation.Provider.IRawElementProviderFragmentRoot.ElementProviderFromPoint方法的典型用法代码示例。如果您正苦于以下问题：VB.NET IRawElementProviderFragmentRoot.ElementProviderFromPoint方法的具体用法？VB.NET IRawElementProviderFragmentRoot.ElementProviderFromPoint怎么用？VB.NET IRawElementProviderFragmentRoot.ElementProviderFromPoint使用的例子？那么恭喜您, 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IRawElementProviderFragmentRoot.ElementProviderFromPoint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: ElementProviderFromPoint
Delegate Function MyDelegate(ByVal clientRect As Rectangle) As Rectangle
''' <summary>
''' Gets the child element that is at the specified point.
''' </summary>
''' <param name="x">Distance from the left of the application window.</param>
''' <param name="y">Distance from the top of the application window.</param>
''' <returns>The provider for the element at that point.</returns>
Function ElementProviderFromPoint(ByVal x As Double, ByVal y As Double) As IRawElementProviderFragment _
Implements IRawElementProviderFragmentRoot.ElementProviderFromPoint
Dim pointX As Integer = CInt(x)
Dim pointY As Integer = CInt(y)
' The RectangleToScreen method on the control can't be called directly from
' this thread, so use delegation.
Dim converterDelegate As MyDelegate = New MyDelegate(AddressOf Me.RectangleToScreen)
Dim screenRectangle As Rectangle = DirectCast(Me.Invoke(converterDelegate, _
New Object() {Me.DisplayRectangle}), Rectangle)
If screenRectangle.Contains(pointX, pointY) Then
Dim index As Integer = CInt((pointY - screenRectangle.Y) \ itemHeight)
If index < myItems.Count Then
Return DirectCast(myItems(index), IRawElementProviderFragment)
Else
Return DirectCast(Me, IRawElementProviderFragment)
End If
Else
Return Nothing
End If
End Function开发者ID:VB.NET开发者，项目名称:System.Windows.Automation.Provider，代码行数:30，代码来源:IRawElementProviderFragmentRoot.ElementProviderFromPoint