floatedit2.cpp

来自「《Windows CE 应用程序设计》 书上的第七章第三节实例——股票助手查询工」· C++ 代码 · 共 70 行

// FloatEdit2.cpp : implementation file
//

#include "stdafx.h"
#include "Accobook_CE.h"
#include "FloatEdit2.h"

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

/////////////////////////////////////////////////////////////////////////////
// CFloatEdit2

CFloatEdit2::CFloatEdit2()
{
}

CFloatEdit2::~CFloatEdit2()
{
}


BEGIN_MESSAGE_MAP(CFloatEdit2, CEdit)
	//{{AFX_MSG_MAP(CFloatEdit2)
	ON_WM_CHAR()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CFloatEdit2 message handlers

void CFloatEdit2::OnChar(UINT nChar, UINT nRepCnt, UINT nFlags) 
{
	// TODO: Add your message handler code here and/or call default
static CString separators(_T("."));
//static CString separators(_T("。"));
TCHAR tChar=(TCHAR)nChar;
if((IsCharAlphaNumeric(tChar)&&!IsCharAlpha(tChar))
   ||separators.Find(nChar)!=-1
   ||tChar==8||nChar==12290||nChar==0xa1||nChar==0xe3||nChar==0x00b0)
	{
	CEdit::OnChar(nChar, nRepCnt, nFlags);
	}
else
	MessageBeep(MB_ICONASTERISK);
	
}

CFloatEdit2::operator float()
{
double dReturn;
CString number;
LPTSTR endpointer;
GetWindowText(number);
#ifdef _UNICODE
	dReturn=wcstod((LPCTSTR)number,&endpointer);
#else
	dReturn=strtod((LPCTSTR)number,&endpointer);
#endif
	return (float)dReturn;
}

float CFloatEdit2::operator =(float f)
{
return f;
}