SparkClient/ViewModel/BaseWindow/WindowManager.cs

namespace SparkClient.ViewModel.BaseWindow;

public class WindowManager
{
    public static MainViewModel mainViewModel;
    
    public static List<Object> openContent = new List<Object>();

    /// <summary>
    /// 获取上一个界面
    /// </summary>
    /// <returns></returns>
    public static object PreviousVM()
    {
        openContent.Remove(openContent.Last());
        return openContent.Last();
    }
}