CEFSharp下拉菜单(组合框，选择)在浏览器边缘向下打开并被裁剪

browser.FrameLoadEnd += (sender, args) =>
{
    var window = browser.GetBrowser().GetHost().GetWindowHandle();
    SetWindowPos(window, IntPtr.Zero, 0, 0, 800, 600, SWP_NOMOVE | SWP_NOZORDER);
};

document.addEventListener('DOMContentLoaded', function() {
    var comboBox = document.querySelector('.your-combobox-selector');
    comboBox.addEventListener('focus', function() {
        var rect = this.getBoundingClientRect();
        var dropdown = this.nextElementSibling;
        if (rect.bottom + dropdown.offsetHeight > window.innerHeight) {
            dropdown.style.top = 'auto';
            dropdown.style.bottom = rect.height + 'px';
        }
    });
});

.your-combobox-selector {
    position: relative;
}

.your-combobox-selector .dropdown-menu {
    max-height: 300px; /* 设置一个合理的最大高度 */
    overflow-y: auto;
}

var settings = new CefSettings();
settings.CefCommandLineArgs.Add("disable-gpu", "1");
settings.CefCommandLineArgs.Add("disable-gpu-compositing", "1");
Cef.Initialize(settings);