@param szFile and nLine - file name and line number of the ASSERT
szMsg - optional message explaining the reason
*/
- void wxOnAssert(const char *szFile, int nLine, const char *szMsg = (const char *) NULL);
+ void WXDLLEXPORT wxOnAssert(const char *szFile, int nLine, const char *szMsg = (const char *) NULL);
/// generic assert macro
#define wxASSERT(cond) if ( !(cond) ) wxOnAssert(__FILE__, __LINE__)