can't use CSplitbutton giving compilation error

Question

i can not use CSplitbutton in MFC dialog based application it gives declaration error. i include afxwin.h but giving same problem.

please help i am in deadlock.

Answer 1

Please enable Unicode setting in your project.
CSplitbutton has unicode dependency.
as given below

#if (_WIN32_WINNT >= 0x600) && defined(UNICODE)
  class CSplitButton : public CButton 

as per above code your version required vista + and enable unicode setting.