窗口置顶器 TopWindow

N年前写的陈年老物。。。但是却很有用
最近改进下，不用全局钩子了，用全局热键。
对管理员权限创建的程序窗口，本程序也需要管理员权限才能对其操作

Ctrl + F2 置顶当前激活窗口
Ctrl + F3 取消置顶当前激活窗口
结束程序请用任务管理器强制结束

天翼云貌似分享功能炸了，按了没反应
果然还是 github 做代码仓库好，没有云盘的一堆奇怪问题

vs 2017 工程 + 已静态编译程序 (只编译了x64版)
github：https://github.com/One-sixth/Some-Tools/tree/master/TopWindow

#include 

// 全局钩子版

//#define KEYDOWN(vk_code) ((GetAsyncKeyState(vk_code) & 0x8000) ? 1 : 0)
//#define KEYUP(vk_code) ((GetAsyncKeyState(vk_code) & 0x8000) ? 0 : 1)
//
//HHOOK hook;
//
//LRESULT CALLBACK callnexthook(int nCode, WPARAM wParam, LPARAM lParam)
//{
//  if (KEYDOWN(VK_F2) && KEYDOWN(VK_RCONTROL))
//  {
//      HWND hwnd = GetForegroundWindow();
//      SetWindowPos(hwnd, HWND_TOPMOST, 0, 0, 0, 0, SWP_ASYNCWINDOWPOS | SWP_NOMOVE | SWP_NOSIZE);
//  }
//  else if (KEYDOWN(VK_F3) && KEYDOWN(VK_RCONTROL))
//  {
//      HWND hwnd = GetForegroundWindow();
//      SetWindowPos(hwnd, HWND_NOTOPMOST, 0, 0, 0, 0, SWP_ASYNCWINDOWPOS | SWP_NOMOVE | SWP_NOSIZE);
//  }
//  if (KEYDOWN(VK_F12) && KEYDOWN(VK_RCONTROL))
//  {
//      PostQuitMessage(0);
//  }
//  return CallNextHookEx(0, nCode, wParam, lParam);
//}
//
//int WINAPI WinMain(HINSTANCE hInstance,HINSTANCE hPrevInstance,LPSTR lpCmdLine,int nCmdShow)
//{
//  char *helpText = "RCtrl+F2 置顶窗口\nRCtrl+F3 取消置顶窗口\nRCtrl+F12 退出程序\n";
//  MessageBox(0, helpText, "Help Text", 0);
//  hook = SetWindowsHookExA(WH_KEYBOARD_LL, callnexthook, hInstance, 0);
//  if (hook = 0)
//      return 0;
//  MSG msg;
//  while (int r = GetMessage(&msg, 0, 0, 0) && r != -1)
//  {
//      TranslateMessage(&msg);
//      DispatchMessage(&msg);
//  }
//  UnhookWindowsHookEx(hook);
//  return 0;
//}


// 全局热键版

ATOM hotKeyId1, hotKeyId2;

LRESULT __stdcall WndProc(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam)
{
    switch (Msg)
    {
    case WM_DESTROY:
        PostQuitMessage(0);
        break;
    case WM_HOTKEY:
        if (wParam == hotKeyId1)
            PostMessageA(0, WM_USER + 1, 0, 0);
        else if (wParam == hotKeyId2)
            PostMessageA(0, WM_USER + 2, 0, 0);
        break;
    }
    return DefWindowProcA(hWnd, Msg, wParam, lParam);
}

int __stdcall WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
{
    // 全局唯一
    auto m = CreateMutexA(NULL, TRUE, "{F6C8A0A9-0916-4BB6-B300-2DC5418593D6}");

    if (ERROR_ALREADY_EXISTS == GetLastError())
    {
        MessageBox(0, "程序已在运行", "Error", 0);
        return -1;
    }

    char *helpText = "Ctrl+F2 置顶当前激活窗口\nCtrl+F3 取消置顶当前激活窗口\n结束程序请在任务管理器强制结束\n";
    MessageBox(0, helpText, "Help Text", 0);

    //创建隐藏窗口，仅用于捕获热键
    WNDCLASSEX wcex;
    memset(&wcex, 0, sizeof(wcex));
    wcex.cbSize = sizeof(wcex);
    wcex.style = 0;
    wcex.lpfnWndProc = WndProc;
    wcex.cbClsExtra = 0;
    wcex.cbWndExtra = 0;
    wcex.hInstance = GetModuleHandleA(0);
    wcex.hIcon = 0;
    wcex.hCursor = 0;
    wcex.hbrBackground = 0;
    wcex.lpszMenuName = 0;
    wcex.lpszClassName = "test";
    if (RegisterClassExA(&wcex) == FALSE)
        return -1;
    HWND hwnd = CreateWindowA("test", "", WS_EX_NOACTIVATE, 0, 0, 0, 0, 0, 0, GetModuleHandleA(0), 0);
    ShowWindow(hwnd, SW_HIDE);

    //注册热键
    hotKeyId1 = GlobalAddAtom("TopWindow") - 0xc000;
    hotKeyId2 = GlobalAddAtom("NoTopWindow") - 0xc000;
    // 这里修改快捷键
    int b = RegisterHotKey(hwnd, hotKeyId1, MOD_CONTROL, VK_F2);
    b = RegisterHotKey(hwnd, hotKeyId2, MOD_CONTROL, VK_F3);

    MSG msg;
    while (GetMessageA(&msg, 0, 0, 0))
    {
        TranslateMessage(&msg);
        DispatchMessageW(&msg);
        if (msg.message == WM_USER + 1)
        {
            // 置顶窗口
            HWND hwnd = GetForegroundWindow();
            SetWindowPos(hwnd, HWND_TOPMOST, 0, 0, 0, 0, SWP_ASYNCWINDOWPOS | SWP_NOMOVE | SWP_NOSIZE);
        }
        else if (msg.message == WM_USER + 2)
        {
            // 取消置顶窗口
            HWND hwnd = GetForegroundWindow();
            SetWindowPos(hwnd, HWND_NOTOPMOST, 0, 0, 0, 0, SWP_ASYNCWINDOWPOS | SWP_NOMOVE | SWP_NOSIZE);
        }
    }
    // 一般不会到达这里，一般是直接任务管理器结束此程序
    // 清理
    UnregisterHotKey(hwnd, hotKeyId1);
    UnregisterHotKey(hwnd, hotKeyId2);
    GlobalDeleteAtom(hotKeyId1);
    GlobalDeleteAtom(hotKeyId2);
    return 0;
}