Compile to pop up directly by ah the

CodePudding user response:

VS the IDE in don't understand the symbol on the right mouse button, choose to define or find all references,

CodePudding user response:

Good brothers, solved

CodePudding user response:

Where you ask a lot of brothers,
Here's an answer, right?
https://blog.csdn.net/10km/article/details/105094115
"Enum Forward Declaration
"https://stackoverflow.com/questions/15141248/enum-forward-declaration/15144087

https://en.cppreference.com/w/cpp/language/enum