WinUI 3 限制窗口最小宽高

#include <Microsoft.UI.Xaml.Window.h>

HWND GetHandleFromWindow(winrt::Microsoft::UI::Xaml::Window const& window) {
    auto hWnd{ HWND{} };
    window.as<::IWindowNative>()->get_WindowHandle(&hWnd);
    return hWnd;
}
std::atomic<uintptr_t> old_proc;
LRESULT CALLBACK WindowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam) {
    auto scaleFactor(::GetDpiForWindow(hWnd));
    if (WM_GETMINMAXINFO == uMsg) {
        reinterpret_cast<MINMAXINFO*>(lParam)->ptMinTrackSize.x = (362 * scaleFactor * 100 + (96 >> 1)) / 9600;
        reinterpret_cast<MINMAXINFO*>(lParam)->ptMinTrackSize.y = (170 * scaleFactor * 100 + (96 >> 1)) / 9600;
    }
    return ::CallWindowProcW(reinterpret_cast<WNDPROC>(old_proc.load(std::memory_order_acquire)), hWnd, uMsg, wParam, lParam);
}
void RegistWindowMinSize(winrt::Microsoft::UI::Xaml::Window const& window) {
    old_proc.store(
        ::SetWindowLongPtrW(GetHandleFromWindow(window), GWLP_WNDPROC, reinterpret_cast<LONG_PTR>(&WindowProc)),
        std::memory_order_release);
}