#include?“StdAfx.h“
#include?“MyEditEx.h“


CMyEditEx::CMyEditEx（void）
{
}


CMyEditEx::~CMyEditEx（void）
{
}

BEGIN_MESSAGE_MAP（CMyEditEx?CEdit）
	ON_WM_CHAR（）
END_MESSAGE_MAP（）

void?CMyEditEx::OnChar（UINT?nChar?UINT?nRepCnt?UINT?nFlags）
{
	//?保證小數點最多只能出現一次
	if（nChar==‘.‘）
	{
		CString?str;
		//?獲取原來編輯框中的字符串
		GetWindowText（str）;
		if（str?==?_T（““）?||?str.Find（‘.‘）!=-1）
		{
			//小數點不允許在第一位
			//若原來的字符串中已經有一個小數點則不將小數點輸入保證了最多只能輸入一個小數點
		}
		else
		{
			//?否則就輸入這個小數點
			CEdit::OnChar（nChar?nRepCnt?nFlags）;?
		}
	}
	//?除了小數點和負號還允許輸入數字BackspaceDelete
	else?if（（nChar>=‘0‘?&&?nChar<=‘9‘）||（nChar==0x08）||（nChar==0x10））
	{
		CEdit::OnChar（nChar?nRepCnt?nFlags）;?
	}
	else?if（nChar?==?‘-‘）
	{
		CString?str;
		//?獲取原來編輯框中的字符串
		GetWindowText（str）;
		if（str?==?_T（““））
		{
			CEdit::OnChar（nChar?nRepCnt?nFlags）;?
		}
	}
	//?其它的鍵都不響應
	else
	{
	}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????1034??2017-09-26?11:33??PolyCal\PolyCal\MyEditEx.cpp

?????文件????????191??2017-09-21?05:13??PolyCal\PolyCal\MyEditEx.h

?????文件????????669??2017-09-26?20:21??PolyCal\PolyCal\MyEditIntEx.cpp

?????文件????????200??2017-09-26?20:20??PolyCal\PolyCal\MyEditIntEx.h

?????文件???????3912??2017-09-26?21:01??PolyCal\PolyCal\Poly.cpp

?????文件????????658??2017-09-26?21:02??PolyCal\PolyCal\Poly.h

?????文件???????1219??2017-09-26?11:42??PolyCal\PolyCal\PolyAddDlg.cpp

?????文件????????603??2017-09-26?20:21??PolyCal\PolyCal\PolyAddDlg.h

?????文件?????107400??2017-09-26?21:03??PolyCal\PolyCal\PolyCal.aps

?????文件???????2006??2017-09-26?08:39??PolyCal\PolyCal\PolyCal.cpp

?????文件????????448??2017-09-26?08:39??PolyCal\PolyCal\PolyCal.h

?????文件??????13612??2017-09-26?21:03??PolyCal\PolyCal\PolyCal.rc

?????文件???????6249??2017-09-26?20:21??PolyCal\PolyCal\PolyCal.vcxproj

?????文件???????2718??2017-09-26?20:21??PolyCal\PolyCal\PolyCal.vcxproj.filters

?????文件????????143??2017-09-26?08:39??PolyCal\PolyCal\PolyCal.vcxproj.user

?????文件???????7311??2017-09-26?21:07??PolyCal\PolyCal\PolyCalDlg.cpp

?????文件???????1521??2017-09-26?21:05??PolyCal\PolyCal\PolyCalDlg.h

?????文件???????3013??2017-09-26?08:39??PolyCal\PolyCal\ReadMe.txt

????.......?????67777??2009-08-31?02:31??PolyCal\PolyCal\res\PolyCal.ico

?????文件????????670??2017-09-26?08:39??PolyCal\PolyCal\res\PolyCal.rc2

?????文件???????3014??2017-09-26?21:03??PolyCal\PolyCal\resource.h

?????文件????????140??2017-09-26?08:39??PolyCal\PolyCal\stdafx.cpp

?????文件???????1632??2017-09-26?08:39??PolyCal\PolyCal\stdafx.h

?????文件????????234??2017-09-26?08:39??PolyCal\PolyCal\targetver.h

?????文件????????888??2017-09-26?08:39??PolyCal\PolyCal.sln

????..A..H.?????19968??2017-09-26?21:19??PolyCal\PolyCal.suo

?????文件?????101376??2017-09-26?21:11??PolyCal\Release\PolyCal.exe

?????目錄??????????0??2017-09-26?08:39??PolyCal\PolyCal\res

?????目錄??????????0??2017-09-26?21:11??PolyCal\PolyCal

?????目錄??????????0??2017-09-26?21:19??PolyCal\Release

............此處省略4個文件信息