#include "CPaintFrame.h" BEGIN_MESSAGE_MAP(CPaintFrame, CFrameWnd) ON_WM_CREATE() END_MESSAGE_MAP() int CPaintFrame::OnCreate(LPCREATESTRUCT lpCreateStruct) { CFrameWnd::OnCreate(lpCreateStruct); m_wndView.Create(nullptr, nullptr, AFX_WS_DEFAULT_VIEW, CRect(0, 0, 0, 0), this, AFX_IDW_PANE_FIRST); return 0; }