控件重新定位如何取决于同一面板中的其他控件可见性 [英] How control re-position depends on other control visibility in same panel

问题描述

我在堆栈面板中有两个按钮.最初 B1 按钮在顶部，然后是 B2.我将从代码中动态更改按钮可见性，以便当我更改隐藏的 B1 可见性时，B2 将排在首位.我怎样才能实现这个功能.

I have two buttons inside a stack panel. Initially B1 button is on top, then B2. I will change button visibility dynamically from code so that, when I change B1 visibility hidden, then B2 will come on top. How can I achieve this functionality.

    <Grid>
      <StackPanel >
        <Button Content="B1" Height="20" Width="100" Visibility="Visible"/>
        <Button Content="B2" Height="20" Width="100" Visibility="Visible"/>
     </StackPanel>
    </Grid>

推荐答案

首先你把 Statckpanel 去掉，然后放到一个 Grid 中，你就可以实现尝试这样的事情.

First you remove the Statckpanel and put then in a Grid and you can achieve Try something like this.

        <Grid>
            <Button Content="B1" Height="20" Width="100" Visibility="Visible" Click="Button_Click" x:Name="B1" />
            <Button Content="B2" Height="20" Width="100" Visibility="Visible" x:Name="B2" Click="B2_Click" />
        </Grid>


    private void Button_Click(object sender, RoutedEventArgs e)
    {
        B1.Visibility = System.Windows.Visibility.Hidden;
        B2.Visibility = System.Windows.Visibility.Visible;
    }

    private void B2_Click(object sender, RoutedEventArgs e)
    {
        B2.Visibility = System.Windows.Visibility.Hidden;
        B1.Visibility = System.Windows.Visibility.Visible;
    }

这应该会给你类似的行为.根据您的使用变化

This should give you similar behaviour. Change according to your use

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