WPF父窗体随子窗体移动

最新推荐文章于 2025-05-08 09:27:41 发布

原创最新推荐文章于 2025-05-08 09:27:41 发布 · 622 阅读

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文章目录

解决方案
效果

解决方案

父窗体：
界面：
父窗体展示

<Window x:Class="WPFTest.ParentWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:WPFTest"
        mc:Ignorable="d"
        Title="父窗体" Height="400" Width="500">
    <Grid>
        <Button Width="100" Height="20" Click="Button_Click" > 打开子窗体</Button>
    </Grid>
</Window>

代码：

		double ChildrenWidth = 0;
        double ChildrenHeight = 0;
        private void Button_Click(object sender, RoutedEventArgs e)
        {
            ChildrenWindow childrenWindow = new ChildrenWindow();
            childrenWindow.Owner = this;
            childrenWindow.Show();
            ChildrenWidth = childrenWindow.ActualWidth;
            ChildrenHeight = childrenWindow.Height;
            childrenWindow.ParentMoveAction += ParentMove;
        }

        private void ParentMove(double childrenLeft, double childrenTop)
        {
            this.Left = childrenLeft - ((this.ActualWidth - ChildrenWidth) / 2);
            this.Top = childrenTop - ((this.ActualHeight - ChildrenHeight) / 2);
        }

子窗体：
界面：
子窗体展示

<Window x:Class="WPFTest.ChildrenWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:WPFTest"
        mc:Ignorable="d"
        Title="子窗体" Height="200" Width="400"  WindowStartupLocation="CenterOwner" LocationChanged="Window_LocationChanged_1" >
    
</Window>

代码：

 public event Action<double, double> ParentMoveAction;

        private void Window_LocationChanged_1(object sender, EventArgs e)
        {
            ParentMoveAction?.Invoke(this.Left, this.Top);
        }