WPF - 通过考虑用户任务栏最大化无边框窗口

Question

我正在创建一个带有自定义chrome的WPF窗口,所以我设置ResizeMode="NoResize"并WindowStyle="None"实现了自己的chrome.但是,在最大化无边框窗口时会出现问题:它需要整个屏幕.

我找到了以下技巧来解决部分问题:http: //chiafong6799.wordpress.com/2009/02/05/maximizing-a-borderlessno-caption-window/

这成功地限制了窗口大小以防止覆盖任务栏.但是,如果用户的任务栏位于左侧或顶部,则无法使用,因为窗口位于0,0位置.

有没有办法更准确地检索可用区域,或查询用户任务栏的位置,以便我可以相应地定位最大化窗口？

Answer 1

我快速玩了一下,当使用无边框表单设置时,似乎忽略了设置Windows Left和Top属性WindowState.Maximized.

一种解决方法是忽略这些WindowState功能并创建自己的Maximize/ Restore功能

粗略的例子.

public partial class MainWindow : Window
{
    private Rect _restoreLocation;

    public MainWindow()
    {
        InitializeComponent();
    }

    private void MaximizeWindow()
    {
        _restoreLocation = new Rect { Width = Width, Height = Height, X = Left, Y = Top };
        System.Windows.Forms.Screen currentScreen;
        currentScreen = System.Windows.Forms.Screen.FromPoint(System.Windows.Forms.Cursor.Position);
        Height = currentScreen.WorkingArea.Height;
        Width = currentScreen.WorkingArea.Width;
        Left = currentScreen.WorkingArea.X;
        Top = currentScreen.WorkingArea.Y;
    }

    private void Restore()
    {
        Height = _restoreLocation.Height;
        Width = _restoreLocation.Width;
        Left = _restoreLocation.X;
        Top = _restoreLocation.Y;
    }

    private void Button_Click_1(object sender, RoutedEventArgs e)
    {
        MaximizeWindow();
    }

    private void Button_Click_2(object sender, RoutedEventArgs e)
    {
        Restore();
    }

    protected override void OnMouseMove(MouseEventArgs e)
    {
        if (e.LeftButton == MouseButtonState.Pressed)
        {
            DragMove();
        }
        base.OnMouseMove(e);
    }
}

XAML:

<Window x:Class="WpfApplication1.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="MainWindow" Height="74.608" Width="171.708" ResizeMode="NoResize" WindowStyle="None">
    <Grid>
        <Button Content="Max" HorizontalAlignment="Left" Margin="0,29,0,0" VerticalAlignment="Top" Width="75" Click="Button_Click_1"/>
        <Button Content="Restore" HorizontalAlignment="Left" Margin="80,29,0,0" VerticalAlignment="Top" Width="75" Click="Button_Click_2"/>
    </Grid>
</Window>

显然,你想清理这个代码,但它似乎工作的任何地方Taskbar的位置,然而,你可能需要添加一些逻辑,以获得正确的Left,Top如果用户的字体DPI大于100%