本文整理汇总了VB.NET中System.Windows.Controls.ToolTipService.ToolTipOpeningEvent字段的典型用法代码示例。如果您正苦于以下问题：VB.NET ToolTipService.ToolTipOpeningEvent字段的具体用法？VB.NET ToolTipService.ToolTipOpeningEvent怎么用？VB.NET ToolTipService.ToolTipOpeningEvent使用的例子？那么恭喜您, 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ToolTipService.ToolTipOpeningEvent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: whenToolTipOpens
Private Sub whenToolTipOpens(ByVal sender As Object, ByVal e As RoutedEventArgs)
Dim ell As New Ellipse()
If sender.GetType().FullName.Equals("System.Windows.Shapes.Ellipse") Then
ell = CType(sender, Ellipse)
ell.Fill = Brushes.Blue
ElseIf sender.GetType().FullName.Equals("System.Windows.Controls.ToolTip") Then
Dim t As ToolTip = CType(sender, ToolTip)
Dim p As Popup = CType(t.Parent, Popup)
ell = CType(p.PlacementTarget, Ellipse)
ell.Fill = Brushes.Blue
End If
End Sub
Private Sub whenToolTipCloses(ByVal sender As Object, ByVal e As RoutedEventArgs)
Dim ell As New Ellipse()
If sender.GetType().FullName.Equals("System.Windows.Shapes.Ellipse") Then
ell = CType(sender, Ellipse)
ell.Fill = Brushes.Gray
ElseIf sender.GetType().FullName.Equals("System.Windows.Controls.ToolTip") Then
Dim t As ToolTip = CType(sender, ToolTip)
Dim p As Popup = CType(t.Parent, Popup)
ell = CType(p.PlacementTarget, Ellipse)
ell.Fill = Brushes.Gray
End If
End Sub