print preview assertion error

[noaaprogrammer]

When I select print preview in my application, I get an assertion error. When I debug, it gives me this code as the source of the problem:

#ifdef _DEBUG
CObject* AFX_CDECL AfxStaticDownCast(CRuntimeClass* pClass, CObject* pObject)
{
	ASSERT(pObject == NULL || pObject->IsKindOf(pClass));
	return pObject;
}
#endif

For some reason, this assertion is being set off. Any ideas on how to fix this???

 

[burgdavid]

Obviously, this assertion means that you call the member function without initializing the objet (test pObject, it will be NULL), or by casting a pointer to an object into an incompatible class (IsKindOf failure).

I suggest you take a look on the call stack to really found the incorrect code. This code you give us assert for an error in the calling method.

Regards,

David.