Method handleFileDrop

choc/gui/choc_DesktopWindow.h:972–1009

    }

    bool handleFileDrop (HANDLE hdrop)
    {
        typedef UINT (WINAPI *DragQueryFileWFunc)(HANDLE, UINT, LPWSTR, UINT);
        typedef BOOL (WINAPI *DragQueryPointFunc)(HANDLE, LPPOINT);
        typedef BOOL (WINAPI *DragFinishFunc)(HANDLE);

        if (fileDropCallback)
        {
            if (auto shell32 = choc::file::DynamicLibrary ("shell32.dll"))
            {
                auto dragQueryFileW = reinterpret_cast<DragQueryFileWFunc> (shell32.findFunction ("DragQueryFileW"));
                auto dragQueryPoint = reinterpret_cast<DragQueryPointFunc> (shell32.findFunction ("DragQueryPoint"));
                auto dragFinish = reinterpret_cast<DragFinishFunc> (shell32.findFunction ("DragFinish"));

                POINT pt;
                dragQueryPoint (hdrop, &pt);
                FileDropEvent e;
                e.x = static_cast<float> (pt.x);
                e.y = static_cast<float> (pt.y);

                auto numFiles = dragQueryFileW (hdrop, 0xffffffff, nullptr, 0);

                for (UINT i = 0; i < numFiles; ++i)
                {
                    auto size = dragQueryFileW (hdrop, i, nullptr, 0);
                    std::wstring path;
                    path.resize (size + 2);
                    dragQueryFileW (hdrop, i, path.data(), size + 1);
                    e.filePaths.push_back (createUTF8FromUTF16 (path));
                }

                dragFinish (hdrop);
                return fileDropCallback (e);
            }
        }

        return false;
    }

    static void enableNonClientDPIScaling (HWND h)
    {