DLL export class [Sample Code]

1. dll-relatedCode

Mydll. h

[CPP] View plaincopyprint?

2. # Ifdef dll.pdf API
4. # Else
6. # Define dllsort API extern "C" _ declspec (dllimport)
8. # Endif
10. Dll.pdf APIIntAdd (IntA,IntB );
12. Dll.pdf APIIntSub (IntA,IntB );
14. Class _ Declspec(Dllexport) Person
16. {
18. Public:
20. Person (Char* Name );
22. Char* M_name;
24. IntM_age;
26. };

# Ifdef dll1_api <br/> # else <br/> # define dll1_api extern "C" _ declspec (dllimport) <br/> # endif <br/> dllw.api int add (int A, int B); <br/> dllw.api int sub (int A, int B ); <br/> class _ declspec (dllexport) person <br/>{< br/> Public: <br/> person (char * Name ); <br/> char * m_name; <br/> int m_age; <br/> };

 

Mydll. cpp

[CPP] View plaincopyprint?

2. # Define dll1_api extern "C" _ declspec (dllexport)
4. # Include "mydll. H"
6. # Include <windows. h>
8. # Include <stdio. h>
10. # Pragma comment (linker, "/DLL ")
12. # Pragma comment (linker, "/entry: dllmain ")
14. IntAdd (IntA,IntB)
16. {
18. ReturnA + B;
20. }
22. IntSub (IntA,IntB)
24. {
26. ReturnA-B;
28. }
30. Person: Person (Char* Name)
32. {
34. M_name = Name;
36. }

# Define dll1_api extern "C" _ declspec (dllexport) <br/> # include "mydll. H "<br/> # include <windows. h> <br/> # include <stdio. h> <br/> # pragma comment (linker, "/DLL") <br/> # pragma comment (linker, "/entry: dllmain ") <br/> int add (int A, int B) <br/>{< br/> return A + B; <br/>}< br/> int sub (int A, int B) <br/>{< br/> return A-B; <br/>}< br/> person: Person (char * Name) <br/>{< br/> m_name = Name; <br/>}

 

Compile the link, for example:

2. Call the class in DLL

Main. cpp

[CPP] View plaincopyprint?

2. # Include <iostream. h>
4. # Include <stdio. h>
6. # Include <windows. h>
8. # Include "mydll. H"
10. # Pragma comment (Lib, "mydll. lib ")
12. VoidMain ()
14. {
16. IntX = 3;
18. IntY = 9;
20. IntZ = add (x, y );
22. Printf ("% D + % d = % d/R/N", X, y, z );
26. Person Pt ("123");
28. Cout <pt. m_name <Endl;
30. }

# Include <iostream. h> <br/> # include <stdio. h> <br/> # include <windows. h> <br/> # include "mydll. H "<br/> # pragma comment (Lib," mydll. lib ") <br/> void main () <br/>{< br/> int x = 3; <br/> int y = 9; <br/> int z = add (x, y); <br/> printf ("% d + % d = % d/R/N", x, y, z); </P> <p> person Pt ("123"); <br/> cout <PT. m_name <Endl; <br/>}

 

Compile the link, for example:

 

 

From:

Http://blog.csdn.net/wangningyu/article/details/5467550