// DrawingSinkClient.cpp : Implementation of CDrawingSinkClient #include "stdafx.h" #include "DrawingSink.h" #include "DrawingSinkClient.h" ///////////////////////////////////////////////////////////////////////////// // CDrawingSinkClient STDMETHODIMP CDrawingSinkClient::MouseMove(long x, long y) { HDC dcDlg = GetDC(); if (m_lx!=-1) { MoveToEx(dcDlg,m_lx,m_ly,0); LineTo(dcDlg,x,y); } m_lx = x; m_ly = y; ReleaseDC(dcDlg); return S_OK; }