myedit.cpp

关于移动通信工程常用的计算工具

// MyEdit.cpp : implementation file
//

#include "stdafx.h"
#include "computer.h"
#include "MyEdit.h"

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

/////////////////////////////////////////////////////////////////////////////
// CMyEdit

CMyEdit::CMyEdit()
{
}

CMyEdit::~CMyEdit()
{
}


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

/////////////////////////////////////////////////////////////////////////////
// CMyEdit message handlers

void CMyEdit::OnChar(UINT nChar, UINT nRepCnt, UINT nFlags) 
{
	// TODO: Add your message handler code here and/or call default
	CString show="";
	GetWindowText(show);
	bool dot=false;
	if(show.Find(".")!=-1)
        dot=true;
	if((nChar>=48&&nChar<=57)||(nChar=='.'&&dot==false)||nChar==8||(nChar==45&&show.Find("-")==-1&&show.Find("+")==-1)||(nChar==43&&show.Find("+")==-1&&show.Find("-")==-1))
		CEdit::OnChar(nChar, nRepCnt, nFlags);
	else MessageBox("请您输入正确的数字!","华泰提示:");
}