c# - 在没有任务栏按钮的情况下从 C++ 启动 C# 应用程序

Question

我正在寻找一种方法来从 C++ 应用程序启动 C# 应用程序，而不显示 C# 应用程序的任务栏按钮，直到我选择显示它为止。

我有一个可以隐藏和显示任务栏按钮的类，但是在启动 C# 应用程序时任务栏按钮显示得非常短暂。

有没有办法在操作系统不创建任务栏按钮的情况下启动 C# 应用程序，同时仍然允许我稍后显示任务栏按钮？

这是我目前用来隐藏和显示任务栏按钮的代码。

using System;
using System.Diagnostics;
using System.Runtime.InteropServices;

class Program
{
    static void Main()
    {
        var tb = new Taskbar();
        tb.DeleteTab();
        bool hidden = true;

        while (true)
        {
            Console.WriteLine("Press any key to toggle taskbar button");
            Console.ReadKey();
            Console.Clear();

            if (hidden)
                tb.AddTab();
            else
                tb.DeleteTab();

            hidden = !hidden;
        }
    }
}

class Taskbar
{
    public void AddTab()
    {
        GetTaskbarList().AddTab(GetMainWindowHandle());
    }

    public void DeleteTab()
    {
        GetTaskbarList().DeleteTab(GetMainWindowHandle());
    }

    ITaskbarList GetTaskbarList()
    {
        var taskbarList = (ITaskbarList)new CoTaskbarList();
        taskbarList.HrInit();
        return taskbarList;
    }

    IntPtr GetMainWindowHandle()
    {
        return Process.GetCurrentProcess().MainWindowHandle;
    }

    [ComImport]
    [Guid("56fdf344-fd6d-11d0-958a-006097c9a090")]
    class CoTaskbarList
    {
    }

    [ComImport,
    Guid("56fdf342-fd6d-11d0-958a-006097c9a090"),
    InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
    interface ITaskbarList
    {
        /// <summary>
        /// Initializes the taskbar list object. This method must be called before any other ITaskbarList methods can be called.
        /// </summary>
        void HrInit();

        /// <summary>
        /// Adds an item to the taskbar.
        /// </summary>
        /// <param name="hWnd">A handle to the window to be added to the taskbar.</param>
        void AddTab([In] IntPtr hWnd);

        /// <summary>
        /// Deletes an item from the taskbar.
        /// </summary>
        /// <param name="hWnd">A handle to the window to be deleted from the taskbar.</param>
        void DeleteTab([In] IntPtr hWnd);

        /// <summary>
        /// Activates an item on the taskbar. The window is not actually activated; the window's item on the taskbar is merely displayed as active.
        /// </summary>
        /// <param name="hWnd">A handle to the window on the taskbar to be displayed as active.</param>
        void ActivateTab([In] IntPtr hWnd);

        /// <summary>
        /// Marks a taskbar item as active but does not visually activate it.
        /// </summary>
        /// <param name="hWnd">A handle to the window to be marked as active.</param>
        void SetActiveAlt([In] IntPtr hWnd);
    }
}

Answer 1

设置 ShowInTaskbar(WinForms 或 WPF)属性。

最初将其设置为 false，应用程序将不会出现。

当您希望应用程序出现在任务栏中时，将其设置为 true。