当按钮代码>焦点变化

示例:

<StackPanel>
    <TextBox Name="txtbx" />
    <Button Content="Click Me!" FocusManager.FocusedElement="{Binding ElementName=txtbx}"/>
</StackPanel>

使用此解决方案，即使按下 Button 和 TextBox LostFocus 也将始终聚焦 TextBox> 事件不会被触发

With this solution the The TextBox will always be focused even when the Button is pressed and the TextBox LostFocus event will not be fired