The most common 20 types of VC ++ (MFC) Compilation error messages

1. Fatal error c1010: unexpected end of file while looking for precompiled header directive.
When searching for the pre-compiled header file path, the end of the file should not be encountered. (Generally no # include "stdafx. H ")

2. Fatal error c1083: cannot open include file: 'r ....... H': no such file or directory
You cannot open the file "r ....... H ": there is no such file or directory.

3. Error c2011: 'C ...... ': 'Class' type redefinition
Class "C ......" Redefinition.

4. Error c2018: unknown character '0xa3'
Unknown character '0xa3 '. (Generally Chinese characters or Chinese Punctuation Marks)

5. Error c2057: Expected constant expression
It is expected to be a constant expression. (Usually in the case Branch of the switch statement)

6. Error c2065: 'idd _ mydialog ': Undeclared identifier
"Idd_mydialog": Undeclared identifier.

7. Error c2082: redefinition of formal parameter 'breset'
The function parameter "breset" is redefined in the function body.

8. Error c2143: syntax error: Missing ': 'before '{'
Syntax error: ";" is missing before "{".

9. Error c2146: syntax error: Missing '; 'before identifier' DC'
Syntax error: ";" is lost before "DC".

10. Error c2196: Case value '69' already used
The Value 69 has been used. (Usually in the case Branch of the switch statement)

11. Error c2509: 'ontimer': member function not declared in 'chelloview'
The member function "ontimer" is not declared in "chelloview.

12. Error c2511: 'reset': overloaded member function 'void (INT) 'not found in' B'
The overloaded function "Void reset (INT)" cannot be found in class "B.

13. Error c2555: 'B: f1': overriding virtual function differs from 'A: f1' only by return type or calling convention
Class B's heavy load on function F1 of the same name in Class A is only based on the difference in the return value or call conventions.

14. Error c2660: 'settimer': function does not take 2 parameters
The "settimer" function does not pass two parameters.

15. Warning c4035: 'f ...... ': No Return Value
"F ......" The return statement does not return values.

16. Warning c4553: '=': operator has no effect; did you intend '= '?
The operator "=" with no effect; is it changed to "= "?

17. Warning c4700: local variable 'breset' used without having been initialized
The local variable "breset" is used without initialization.

18. Error c4716: 'cmyapp: initinstance': must return a value
The "cmyapp: initinstance" function must return a value.

19. Link: Fatal error lnk1168: cannot open debug/p1.exe for writing
Connection error: Unable to open the p1.exe file to rewrite the content. (P1.exe is still running, not closed)

20. Error lnk2001: unresolved external symbol "public: Virtual _ thiscall C ...... ::~ C ...... (Void )"
External symbols (variables, functions, etc.) that are not implemented are found during connection ).