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Windowsのタスクバーを完全非表示

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Windowsで業務用アプリを全画面で表示しているが、マウスが最下部にあるとタスクバーが表示されてしまうのが問題である場合などで使用。(タスクバーを自動的に隠すの設定だけではダメな場合)

ここ(Windows のタスクバーを完全に消す)を参考に、exeを作成したがSymantecに消されてしまうのでPowerShell版を作成

手順

スクリプト保存

以下のコードをテキストエディターで任意の場所に保存

TaskBarHandler.ps1
Add-Type @"
using System;
using System.Diagnostics.CodeAnalysis;
using System.Runtime.InteropServices;
using System.Security;

    public class TaskBarHandler
    {
        [SuppressMessage("Microsoft.Security", "CA2118:ReviewSuppressUnmanagedCodeSecurityUsage"), SuppressUnmanagedCodeSecurity]
        [DllImport("user32.dll", SetLastError = true, CharSet = CharSet.Auto)]
        public static extern IntPtr FindWindow(string lpClassName, string lpWindowName);
    
        [SuppressMessage("Microsoft.Security", "CA2118:ReviewSuppressUnmanagedCodeSecurityUsage"), SuppressUnmanagedCodeSecurity]
        [DllImport("user32.dll", SetLastError = true, CharSet = CharSet.Auto)]
        public static extern bool ShowWindow(IntPtr hWnd, Int32 nCmdShow); 
    
        public static bool restore(string className, string windowName)
        {
            IntPtr hwnd = FindWindow(className, windowName);
            return ShowWindow(hwnd, 9);
        }

        public static bool hide(string className, string windowName)
        {
            IntPtr hwnd = FindWindow(className, windowName);
            return ShowWindow(hwnd, 0);
        }
    }
"@
$task_bar_status = [TaskBarHandler]::hide("Shell_TrayWnd", $null)
if (-Not ($task_bar_status)) {
    [TaskBarHandler]::restore("Shell_TrayWnd", $null)
}

PowerShell起動

Windowsキー + R 押下
powershell -ExecutionPolicy RemoteSigned

スクリプト実行

PS C:\> C:\[任意の場所]\TaskBarHandler.ps1

最初の実行で、タスクバーが消える。
もう一度実行すると、復活!

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