Hello Friends, I am sekhar. I am a New bie in MFC field. When i am trying to write a program related to mouse clicks i am getting two interesting errors: syntax error : missing ';' before identifier 'WPARAM' c:\program files\microsoft visual studio\vc98\include\windef.h(170) : fatal error unexpected end of file found. Can any one guide me, to proceed further. Have a Great Days ahead Sekhar