unresolved external

Hi

 

I am getting this type of errors  when i compling my project. it was working fine with old toolkit version 8.6 but in new version 10.4.2 i am getting this erros. I I have done only one this made one class.

 

 

class CBlockingWnd : public CXTPTaskPanel

{

 

 

 

}

 

and included in MainFrame... I have seen interface of CXTPAccessible but it very common but i don't why this errors ?

 

 

 

 

BlockingWnd.obj : error LNK2001: unresolved external symbol "public: virtual long __thiscall CXTPAccessible::PutAccessibleValue(struct tagVARIANT,unsigned short *)" (?PutAccessibleValue@CXTPAccessible@@UAEJUtagVARIANT@@PAG@Z)
MainFrm.obj : error LNK2001: unresolved external symbol "public: virtual long __thiscall CXTPAccessible::PutAccessibleValue(struct tagVARIANT,unsigned short *)" (?PutAccessibleValue@CXTPAccessible@@UAEJUtagVARIANT@@PAG@Z)
BlockingWnd.obj : error LNK2001: unresolved external symbol "public: virtual long __thiscall CXTPAccessible::PutAccessibleName(struct tagVARIANT,unsigned short *)" (?PutAccessibleName@CXTPAccessible@@UAEJUtagVARIANT@@PAG@Z)
MainFrm.obj : error LNK2001: unresolved external symbol "public: virtual long __thiscall CXTPAccessible::PutAccessibleName(struct tagVARIANT,unsigned short *)" (?PutAccessibleName@CXTPAccessible@@UAEJUtagVARIANT@@PAG@Z)
BlockingWnd.obj : error LNK2001: unresolved external symbol "public: virtual long __thiscall CXTPAccessible::GetAccessibleDefaultAction(struct tagVARIANT,unsigned short * *)" (?GetAccessibleDefaultAction@CXTPAccessible@@UAEJUtagVARIANT@@PAPAG@Z)
MainFrm.obj : error LNK2001: unresolved external symbol "public: virtual long __thiscall CXTPAccessible::GetAccessibleDefaultAction(struct tagVARIANT,unsigned short * *)" (?GetAccessibleDefaultAction@CXTPAccessible@@UAEJUtagVARIANT@@PAPAG@Z)
BlockingWnd.obj : error LNK2001: unresolved external symbol "public: virtual long __thiscall CXTPAccessible::GetAccessibleKeyboardShortcut(struct tagVARIANT,unsigned short * *)" (?GetAccessibleKeyboardShortcut@CXTPAccessible@@UAEJUtagVARIANT@@PAPAG@Z)
MainFrm.obj : error LNK2001: unresolved external symbol "public: virtual long __thiscall CXTPAccessible::GetAccessibleKeyboardShortcut(struct tagVARIANT,unsigned short * *)" (?GetAccessibleKeyboardShortcut@CXTPAccessible@@UAEJUtagVARIANT@@PAPAG@Z)
BlockingWnd.obj : error LNK2001: unresolved external symbol "public: virtual long __thiscall CXTPAccessible::GetAccessibleHelpTopic(unsigned short * *,struct tagVARIANT,long *)" (?GetAccessibleHelpTopic@CXTPAccessible@@UAEJPAPAGUtagVARIANT@@PAJ@Z)
MainFrm.obj : error LNK2001: unresolved external symbol "public: virtual long __thiscall CXTPAccessible::GetAccessibleHelpTopic(unsigned short * *,struct tagVARIANT,long *)" (?GetAccessibleHelpTopic@CXTPAccessible@@UAEJPAPAGUtagVARIANT@@PAJ@Z)
BlockingWnd.obj : error LNK2001: unresolved external symbol "public: virtual long __thiscall CXTPAccessible::GetAccessibleHelp(struct tagVARIANT,unsigned short * *)" (?GetAccessibleHelp@CXTPAccessible@@UAEJUtagVARIANT@@PAPAG@Z)
MainFrm.obj : error LNK2001: unresolved external symbol "public: virtual long __thiscall CXTPAccessible::GetAccessibleHelp(struct tagVARIANT,unsigned short * *)" (?GetAccessibleHelp@CXTPAccessible@@UAEJUtagVARIANT@@PAPAG@Z)
BlockingWnd.obj : error LNK2001: unresolved external symbol "public: virtual long __thiscall CXTPAccessible::GetAccessibleDescription(struct tagVARIANT,unsigned short * *)" (?GetAccessibleDescription@CXTPAccessible@@UAEJUtagVARIANT@@PAPAG@Z)
MainFrm.obj : error LNK2001: unresolved external symbol "public: virtual long __thiscall CXTPAccessible::GetAccessibleDescription(struct tagVARIANT,unsigned short * *)" (?GetAccessibleDescription@CXTPAccessible@@UAEJUtagVARIANT@@PAPAG@Z)
BlockingWnd.obj : error LNK2001: unresolved external symbol "public: virtual long __thiscall CXTPAccessible::GetAccessibleValue(struct tagVARIANT,unsigned short * *)" (?GetAccessibleValue@CXTPAccessible@@UAEJUtagVARIANT@@PAPAG@Z)
MainFrm.obj : error LNK2019: unresolved external symbol "public: virtual long __thiscall CXTPAccessible::GetAccessibleValue(struct tagVARIANT,unsigned short * *)" (?GetAccessibleValue@CXTPAccessible@@UAEJUtagVARIANT@@PAPAG@Z) referenced in function "protected: static struct CRuntimeClass * __stdcall CMainFrame::_GetBaseClass(void)" (?_GetBaseClass@CMainFrame@@KGPAUCRuntimeClass@@XZ)
BlockingWnd.obj : error LNK2001: unresolved external symbol "protected: virtual long __thiscall CXTPTaskPanel::GetAccessibleName(struct tagVARIANT,unsigned short * *)" (?GetAccessibleName@CXTPTaskPanel@@MAEJUtagVARIANT@@PAPAG@Z)
MainFrm.obj : error LNK2019: unresolved external symbol "protected: virtual long __thiscall CXTPTaskPanel::GetAccessibleName(struct tagVARIANT,unsigned short * *)" (?GetAccessibleName@CXTPTaskPanel@@MAEJUtagVARIANT@@PAPAG@Z) referenced in function "protected: static struct CRuntimeClass * __stdcall CMainFrame::_GetBaseClass(void)" (?_GetBaseClass@CMainFrame@@KGPAUCRuntimeClass@@XZ)
MainFrm.obj : error LNK2001: unresolved external symbol "protected: virtual long __thiscall CXTPControl::GetAccessibleDefaultAction(struct tagVARIANT,unsigned short * *)" (?GetAccessibleDefaultAction@CXTPControl@@MAEJUtagVARIANT@@PAPAG@Z)
MainFrm.obj : error LNK2001: unresolved external symbol "protected: virtual long __thiscall CXTPControl::GetAccessibleDescription(struct tagVARIANT,unsigned short * *)" (?GetAccessibleDescription@CXTPControl@@MAEJUtagVARIANT@@PAPAG@Z)
MainFrm.obj : error LNK2001: unresolved external symbol "protected: virtual long __thiscall CXTPControl::GetAccessibleName(struct tagVARIANT,unsigned short * *)" (?GetAccessibleName@CXTPControl@@MAEJUtagVARIANT@@PAPAG@Z)