HWND h_hovertreeWND=NULL, h_hwnCheckBox1=NULL;
const UINT h_checkBox1=3961;

int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPreInstance, LPSTR lpCmdLine, int nCmdShow)
{
const wchar_t CLASS_NAME[] = L"Hovertree Window Class";

    WNDCLASS wc = { };

    wc.lpfnWndProc = WindowProcHovertree;
    wc.hInstance = hInstance;
    wc.lpszClassName = CLASS_NAME;

    RegisterClass(&wc);

    // Create the window.

    h_hovertreeWND = CreateWindowEx(
        0,                              // Optional window styles.
        CLASS_NAME,                     // Window class
        L"Hovertree 何问起 ",    // Window text
        WS_OVERLAPPEDWINDOW,            // Window style

        // Size and position  x,y,width,height
        CW_USEDEFAULT, CW_USEDEFAULT, 620, 260,

        NULL,       // Parent window    
        NULL,       // Menu
        hInstance,  // Instance handle
        NULL        // Additional application data
    );

ShowWindow(h_hovertreeWND, nCmdShow);

 h_hwnCheckBox1 = CreateWindow(L"BUTTON", L"结果大写", WS_VISIBLE | WS_CHILD  | BS_AUTOCHECKBOX, 120, 160, 120, 30, h_hovertreeWND, (HMENU)h_checkBox1, hInstance, NULL);//创建复选框

MSG msg = { };
    while (GetMessage(&msg, NULL, 0, 0) > 0)
    {
        TranslateMessage(&msg);
        DispatchMessage(&msg);
    }

    return 0;
}