WPF Mahapps.Metro 设置主题样式

/// <summary>
/// 设置App样式
/// </summary>
/// <param name="accentName">窗口标题栏样式</param>
/// <param name="themeName">背景样式</param>
private void ChangeTheme(string accentName, string themeName)
{
Accent expectedAccent = ThemeManager.Accents.First(x => x.Name == accentName); //"Blue"
AppTheme expectedTheme = ThemeManager.GetAppTheme(themeName);  //"BaseDark"
ThemeManager.ChangeAppStyle(Application.Current, expectedAccent, expectedTheme);
}