C# 类之间的调用

类访问另一个类的控件

https://jingyan.baidu.com/article/425e69e601c781be14fc1640.html
https://blog.csdn.net/ichenqingyun/article/details/52622340

以下是未验证的，也就是还没看

https://blog.csdn.net/xpj8888/article/details/83861077
https://www.orcode.com/question/980372_ke6d69.html
http://cn.voidcc.com/question/p-zaoweafh-rw.html
http://t.zoukankan.com/kevinl-p-13264128.html
https://zhidao.baidu.com/question/921560838626826539.html
https://www.cnblogs.com/kevinl/p/13264128.html

跨线程访问控件

https://jingyan.baidu.com/article/2f9b480d6b7f3401cb6cc2b8.html
👆说日志这个功能里能用，我觉得可参考。👇是invoke的说明
https://docs.microsoft.com/zh-cn/dotnet/api/system.windows.forms.control.invoke?view=windowsdesktop-6.0

https://bbs.csdn.net/topics/396449494?list=789516
看不进去了，给一个invokeRequired的说明👇
https://docs.microsoft.com/zh-cn/dotnet/api/system.windows.forms.control.invokerequired?view=windowsdesktop-6.0

https://www.cnblogs.com/djzxjblogs/p/7525206.html
可

https://blog.csdn.net/sx811125/article/details/5581286
说的挺明白，应该耐心再看一遍

https://blog.csdn.net/weixin_44634727/article/details/114325819
没细看，但挺好

https://www.cnblogs.com/invinboy/archive/2011/04/02/2003696.html
应该也挺好，没看

https://docs.microsoft.com/zh-cn/dotnet/api/system.componentmodel.backgroundworker?view=net-6.0
https://blog.csdn.net/qq_44034384/article/details/106653257