This procedure is based on CEdit derived class can only enter a number, decimal point, sign.

自己所做的Edit控件（只能输入数字和小数点、正负号）\123.rc
..................................................\NumberEdit.cpp
..................................................\NumberEdit.h
..................................................\123.opt
..................................................\123.clw
..................................................\ReadMe.txt
..................................................\123.h
..................................................\123.cpp
..................................................\123.aps
..................................................\Resource.h
..................................................\StdAfx.h
..................................................\StdAfx.cpp
..................................................\res\123.rc2
..................................................\...\123.ico
..................................................\123.ncb
..................................................\Debug\123.res
..................................................\.....\vc60.idb
..................................................\.....\123.pch
..................................................\.....\vc60.pdb
..................................................\.....\StdAfx.obj
..................................................\.....\123.exe
..................................................\.....\123.pdb
..................................................\.....\123Dlg.obj
..................................................\.....\123.obj
..................................................\.....\NumberEdit.obj
..................................................\.....\123.ilk
..................................................\123.plg
..................................................\123.dsp
..................................................\123.dsw
..................................................\123Dlg.h
..................................................\123Dlg.cpp
..................................................\res
..................................................\Debug
自己所做的Edit控件（只能输入数字和小数点、正负号）

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