改变编辑框背景颜色/改变快捷菜单

class CEditEx : public CEdit
{
private:
 CBrush  m_brush;
 COLORREF m_colBrush;
  
public:
 CEditEx();

// Attributes
public:
 VOID SetBackColor(COLORREF col);
// Operations
public:

// public:
 virtual ~CEditEx();

 // Generated message map functions
protected:
 //{{AFX_MSG(CEditEx)
 afx_msg void OnRButtonDown(UINT nFlags, CPoint point);
 afx_msg HBRUSH CtlColor(CDC* pDC, UINT nCtlColor);
 afx_msg void OnAppExit();
 //}}AFX_MSG

 DECLARE_MESSAGE_MAP()
};

 

.cpp

CEditEx::CEditEx() : m_colBrush(RGB(255,255,255)),m_brush(m_colBrush)
{
 
}

CEditEx::~CEditEx()
{
}

BEGIN_MESSAGE_MAP(CEditEx, CEdit)
 //{{AFX_MSG_MAP(CEditEx)
 ON_WM_RBUTTONDOWN()
 ON_WM_CTLCOLOR_REFLECT()
 ON_COMMAND(ID_APP_EXIT, OnAppExit)
 //}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CEditEx message handlers

颜色 =wm_ctlcolor

VOID CEditEx::SetBackColor(COLORREF col)
{
 //
 m_colBrush = col;
 m_brush.DeleteObject();
 m_brush.CreateSolidBrush(col);

 //
 if( m_hWnd )
 {
  Invalidate(TRUE);
 }
}

 

HBRUSH CEditEx::CtlColor(CDC* pDC, UINT nCtlColor)
{
 pDC->SetBkColor(m_colBrush);
 //return (HBRUSH)(m_brush.m_hObject);
 return (m_brush);
}

快捷菜单

void CEditEx::OnRButtonDown(UINT nFlags, CPoint point)
{
 POINT pt;
 CMenu p;
 p.LoadMenu(IDR_MENU1);
 GetCursorPos(&pt);
 CMenu* psub = p.GetSubMenu(0);
    psub->TrackPopupMenu(TPM_LEFTALIGN|TPM_RIGHTBUTTON,pt.x,pt.y,AfxGetMainWnd());

 CEdit::OnRButtonDown(nFlags, point);
}

 

void CEditEx::OnAppExit()
{
 MessageBox("Cedit");
}