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Could you tell me this is a computer problem or VS2019 problem?
Time:09-26
In the company's computer thoroughly, not home, VS version 2019, excuse me how to solve?
CodePudding user response:
May be 2019 problem, try + object class type
CodePudding user response:
Should be your grammar have a problem, look at your map code indentation, conn is a global variable, you also want to in the global role in doing to him,,,
CodePudding user response:
Visual inspection is your problem, I also used this. An error and usage are different from other classes