我想从任务菜单(Alt+Tab)中隐藏具有WindowStyle="None",AllowTransparency="True"和的 WPF 窗口。ShowInTaskbar="False"
我已经对此进行了研究,但所有结果似乎都是针对 WinForms 的,或者没有答案。以下是我已经研究过的一些来源:
这是我的 XAML 代码:
<Window x:Class="DesktopInfo.MainWindow"
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:DesktopInfo"
mc:Ignorable="d"
Title="MainWindow" SizeToContent="WidthAndHeight" WindowStyle="None" AllowsTransparency="True" Background="Transparent" ShowInTaskbar="False" Loaded="FormLoaded">
<Grid>
<Grid.RowDefinitions>
<RowDefinition Height="Auto"/>
<RowDefinition Height="Auto"/>
</Grid.RowDefinitions>
<TextBlock Text="Testing" Name="UsernameTextBlock" FontSize="20" FontWeight="Bold" Foreground="White"/>
<TextBlock Name="ComputernameTextBlock" Grid.Row="1" FontSize="20" FontWeight="Bold" Foreground="White"/>
</Grid>
</Window>
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这是我的 C# 代码:
using System;
using System.Windows;
using System.Windows.Forms;
namespace DesktopInfo
{
/// <summary>
/// Interaction logic for MainWindow.xaml
/// </summary>
///
public partial class MainWindow : Window
{
public MainWindow()
{
InitializeComponent();
}
}
}
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无论我如何尝试,我都无法让 WPF 表单不显示在 Alt+Tab 菜单中。很感谢任何形式的帮助 :)
重复标志后更新 查看提供的链接(以及之前在提出此问题之前查看的链接)后,我想声明,事实上,我在这里找到了答案,并将发布我的完整代码作为此问题的答案: )
I.T*_*ent 14
我的最终代码遵循此StackOverflow 问题的答案,如下所示:
using System;
using System.Windows;
using System.Windows.Forms;
using System.Runtime.InteropServices;
using System.Windows.Interop;
namespace DesktopInfo
{
/// <summary>
/// Interaction logic for MainWindow.xaml
/// </summary>
///
public partial class MainWindow : Window
{
[DllImport("user32.dll", SetLastError = true)]
static extern int GetWindowLong(IntPtr hWnd, int nIndex);
[DllImport("user32.dll")]
static extern int SetWindowLong(IntPtr hWnd, int nIndex, int dwNewLong);
private const int GWL_EX_STYLE = -20;
private const int WS_EX_APPWINDOW = 0x00040000, WS_EX_TOOLWINDOW = 0x00000080;
public MainWindow() => InitializeComponent();
//Form loaded event handler
void FormLoaded(object sender, RoutedEventArgs args)
{
//Variable to hold the handle for the form
var helper = new WindowInteropHelper(this).Handle;
//Performing some magic to hide the form from Alt+Tab
SetWindowLong(helper, GWL_EX_STYLE, (GetWindowLong(helper, GWL_EX_STYLE) | WS_EX_TOOLWINDOW) & ~WS_EX_APPWINDOW);
}
}
}
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我的表单现在作为后台任务运行,仍然可见,并且无法在 Alt+Tab 菜单中看到。谢谢大家的帮助:) 我有点羞愧,在发布问题之前没有找到获胜链接。