Add-Type @"
using System;
using System.Runtime.InteropServices;
public class Win32 {
    [DllImport("user32.dll")] 
    public static extern bool EnableWindow(IntPtr hWnd, bool bEnable);
}
"@

# 指定目标窗口进程名
$processName = "进程名"

if (-not ($process = Get-Process -Name $processName -ErrorAction SilentlyContinue)) {
    Write-Error "进程 '$processName' 未运行"
} elseif ($process.MainWindowHandle -eq 0) {
    Write-Error "进程 '$processName' 无有效窗口"
} else { 
    [Win32]::EnableWindow($process.MainWindowHandle, $false)
}
Read-Host
复制代码