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VB.NET IRawElementProviderFragmentRoot.ElementProviderFromPoint方法代碼示例

本文整理匯總了VB.NET中System.Windows.Automation.Provider.IRawElementProviderFragmentRoot.ElementProviderFromPoint方法的典型用法代碼示例。如果您正苦於以下問題:VB.NET IRawElementProviderFragmentRoot.ElementProviderFromPoint方法的具體用法?VB.NET IRawElementProviderFragmentRoot.ElementProviderFromPoint怎麽用?VB.NET IRawElementProviderFragmentRoot.ElementProviderFromPoint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IRawElementProviderFragmentRoot.ElementProviderFromPoint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: 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
開發者ID:VB.NET開發者,項目名稱:System.Windows.Automation.Provider,代碼行數:30,代碼來源:IRawElementProviderFragmentRoot.ElementProviderFromPoint


注:本文中的System.Windows.Automation.Provider.IRawElementProviderFragmentRoot.ElementProviderFromPoint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。