DDX_Text / DDX_Control() /DoDataExchange(pDX)/update(TRUE)/update(FALSE)
DDX_Text()的几种重载形式:voidAFXAPIDDX_Text(CDataExchange*pDX,intnIDC,BYTE&value);voidAFXAPIDDX_Text(CDataExchange*pDX,intnIDC,short&value);voidAFXAPIDDX_Text(CDataExchange*pDX,intnIDC,int&value);voidAFXAPID