>When I declare a static data member (i.e. a class variable), I get a link
>error...
>
>The sample code below leads to the following error messages :
>
>Link Error : main.cpp: 'Test::shared' referenced from 'Test::SetShared(int)'
>is undefined.
>Link Error : main.cpp: 'Test::shared' referenced from 'Test::GetShared()' is
>undefined.
>
>
>The same code works fine with GCC.
>Any idea ?
>
>---------------------------------------
>class Test {
> private :
> static int shared;
> public :
> void SetShared(int n);
> int GetShared(void);
>};
>
>void Test::SetShared(int n)
>{
> shared = n;
>}
>
>int Test::GetShared(void)
>{
> return shared;
>}
>
>...
>
>Test test;
>int n;
>
>test.SetShared(12);
>n = test.GetShared();
[ Sorry for the long quoting, but it is relevant. ]
You need to add:
int Test::shared;
It's the difference between a declaration and a definition.
-- Marshall
"The era of big government is over."
Bill Clinton, State of the Union Address, January 23, 1996
Marshall Clow Adobe Systems <mailto:[EMAIL PROTECTED]>
