C# 退出程序

• https://learn.microsoft.com/zh-cn/dotnet/api/system.windows.forms.application.exit?view=windowsdesktop-7.0
• https://learn.microsoft.com/zh-cn/dotnet/api/system.environment.exit?view=net-7.0&source=docs
• https://blog.csdn.net/qq15577969/article/details/89880290