<p><span style="color: #404040; font-family: 굴림;">D:\imgae_programming\TestCV\TestCV.cpp(139) :&nbsp;</span><br style="color: #404040; font-family: 굴림;" /><span style="color: #404040; font-family: 굴림;">error C2664: 'cvSetMouseCallback' : cannot convert parameter 2 from 'void (void)' to 'void (__cdecl *)(int,int,int,int,void *)' None of the functions with this name in scope match the target type Error executing cl.exe.&nbsp;</span><br style="color: #404040; font-family: 굴림;" /><br style="color: #404040; font-family: 굴림;" /><span style="color: #404040; font-family: 굴림;">===&gt; 맨위에 함수원형을 정의해준다.&nbsp;</span><br style="color: #404040; font-family: 굴림;" /><span style="color: #404040; font-family: 굴림;">void mouseHandler(int event, int x, int y, int flags, void *param)</span></p>