本文整理汇总了VB.NET中System.Windows.Input.Keyboard.LostKeyboardFocus Attached事件的典型用法代码示例。如果您正苦于以下问题：VB.NET Keyboard.LostKeyboardFocus Attached事件的具体用法？VB.NET Keyboard.LostKeyboardFocus Attached怎么用？VB.NET Keyboard.LostKeyboardFocus Attached使用的例子？那么恭喜您, 这里精选的事件代码示例或许可以为您提供帮助。您也可以进一步了解该事件所在类System.Windows.Input.Keyboard的用法示例。
在下文中一共展示了Keyboard.LostKeyboardFocus Attached事件的2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: TextBoxGotKeyboardFocus
Private Sub TextBoxGotKeyboardFocus(ByVal sender As Object, ByVal e As KeyboardFocusChangedEventArgs)
Dim source As TextBox = TryCast(e.Source, TextBox)
If source IsNot Nothing Then
' Change the TextBox color when it obtains focus.
source.Background = Brushes.LightBlue
' Clear the TextBox.
source.Clear()
End If
End Sub示例2: TextBoxLostKeyboardFocus
Private Sub TextBoxLostKeyboardFocus(ByVal sender As Object, ByVal e As KeyboardFocusChangedEventArgs)
Dim source As TextBox = TryCast(e.Source, TextBox)
If source IsNot Nothing Then
' Change the TextBox color when it loses focus.
source.Background = Brushes.White
' Set the hit counter back to zero and updates the display.
Me.ResetCounter()
End If
End Sub