PowerToys/src/modules/fancyzones/editor/FancyZonesEditor/NativeMethods.cs

// Copyright (c) Microsoft Corporation
// The Microsoft Corporation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.

using System;
using System.Runtime.InteropServices;

namespace FancyZonesEditor
{
    // PInvokes to handshake with fancyzones backend
    internal static class NativeMethods
    {
        [DllImport("kernel32", SetLastError = true, CharSet = CharSet.Ansi)]
        public static extern IntPtr LoadLibrary([MarshalAs(UnmanagedType.LPWStr)] string lpFileName);

        [DllImport("kernel32", CharSet = CharSet.Unicode, ExactSpelling = true, SetLastError = true)]
        public static extern IntPtr GetProcAddress(IntPtr hModule, string procName);

        [DllImport("user32.dll")]
        [return: MarshalAs(UnmanagedType.Bool)]
        public static extern bool SetForegroundWindow(IntPtr hWnd);

        [DllImport("user32.dll")]
        public static extern void SwitchToThisWindow(IntPtr hWnd, bool fAltTab);

        [DllImport("user32.dll")]
        public static extern IntPtr GetForegroundWindow();

        [DllImport("user32.dll")]
        public static extern uint GetWindowThreadProcessId(IntPtr hWnd, IntPtr processId);

        [DllImport("kernel32.dll")]
        public static extern uint GetCurrentThreadId();

        [DllImport("user32.dll")]
        public static extern bool AttachThreadInput(uint idAttach, uint idAttachTo, bool fAttach);
    }
}