coloredit.cpp

可以在状态栏中随鼠标移动实时显示出设备坐标和逻辑坐标

// ColorEdit.cpp : implementation file
//

#include "stdafx.h"
#include "color.h"
#include "ColorEdit.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CColorEdit

CColorEdit::CColorEdit()
{
}

CColorEdit::~CColorEdit()
{
}


BEGIN_MESSAGE_MAP(CColorEdit, CEdit)
	//{{AFX_MSG_MAP(CColorEdit)
	ON_WM_CTLCOLOR_REFLECT()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CColorEdit message handlers

HBRUSH CColorEdit::CtlColor(CDC* pDC, UINT nCtlColor) 
{
	// TODO: Change any attributes of the DC here
	
	// TODO: Return a non-NULL brush if the parent's handler should not be called
	COLORREF clr = RGB(0,0,0);
	pDC->SetTextColor(clr);   //设置黑色的文本
	clr = RGB(255,0,0);
	pDC->SetBkColor(clr);     //设置红色的背景
	m_bkBrush = ::CreateSolidBrush(clr);
	return m_bkBrush;  //作为约定，返回背景色对应的刷子句柄
}