//?CScrollerCtrl?:?class?implementation
//?Copyright?2002?Joshua?Heyer
//??You?are?free?to?use?this?code?for?whatever?you?want?provided?you
//?give?credit?where?credit?is?due:?if?you?use?this?code?without?substantial
//?modification?please?presearve?this?comment?block.
//??I‘m?providing?this?code?in?the?hope?that?it?is?useful?to?someone?as?i?have
//?gotten?much?use?out?of?other?peoples?code?over?the?years.
//??If?you?see?value?in?it?make?some?improvements?etc.?i?would?appreciate?it?
//?if?you?sent?me?some?feedback.
//??Have?fun!
//

#include?“stdafx.h“
#include?“ScrollerCtrl.h“

//?command?messages:
//?sent?when?text?has?scrolled?completely?off?the?window
const?int???CScrollerCtrl::SC_SCROLL_COMPLETE?=?0;

//?defaults
const?int???CScrollerCtrl::nSCROLL_DELAY??=?80;????//?time?between?each?frame?（milliseconds）
const?int???CScrollerCtrl::nSCROLL_PAUSE??=?5000;??//?time?to?pause?before?autoscrolling?（milliseconds）
const?int???CScrollerCtrl::nMARGIN????????=?5;?????//?（pixels）
const?int???CScrollerCtrl::nFONT_SIZE?????=?12;????//?（points）
const?int???CScrollerCtrl::nFONT_WEIGHT???=?FW_SEMIBOLD;
const?char*?CScrollerCtrl::szFONT_NAME????=?“Comic?Sans?MS“;

//?initialization
CScrollerCtrl::CScrollerCtrl（）
{
	m_crBackground???=?RGB（000）;
	m_crForeground???=?RGB（255255255）;
???m_pbmpPattern?????=?NULL;
	m_pbmpLogo????????=?NULL;
	m_nContentHeight??=?0;
	m_nScrollOffset???=?0;
???m_unTimerPause????=?2;
???m_nScrollDelay????=?nSCROLL_DELAY;
???m_nScrollPause????=?nSCROLL_PAUSE;
???m_eState??????????=?PAUSED;
???m_bTilePattern????=?TRUE;
???m_bShowScroll?????=?FALSE;
???m_bWrap???????????=?TRUE;
	m_sizeBuffer??????=?CSize（00）;
}

//?create?the?window:?
//????remove?WS_VSCROLL?to?avoid?showing?scrollbar.
//????remove?WS_TABSTOP?to?disable?keyboard?scrolling.
BOOL?CScrollerCtrl::Create（const?RECT&?rect?CWnd*?pParentWnd?UINT?ustyle?UINT?nID）
{
???if?（?NULL?==?m_font.GetSafeHandle（）?）
??????SetFont（szFONT_NAME?nFONT_SIZE?nFONT_WEIGHT）;

???//?remember?if?user?specified?the?style?but?don‘t?show?initially
???m_bShowScroll?=?ustyle&WS_VSCROLL;
???ustyle?&=?~WS_VSCROLL;

	if?（?CWnd::Create（::AfxRegisterWndClass（CS_HREDRAW|CS_PARENTDC|CS_VREDRAW::LoadCursor（NULLIDC_ARROW））?“Scroller“?ustyle?rect?pParentWnd?nID）?）
	{
??????m_eState?=?PAUSED;
??????SetTimer（1?m_nScrollDelay?NULL）;
		m_unTimerPause?=?SetTimer（m_unTimerPause?m_nScrollPause?NULL）;
		return?TRUE;
	}
	return?FALSE;
}

//?activate/deactivate?wrapping?mode:
//?if?not?set?content?is?scrolled?completely?off?screen
//?before?being?repeated.
void?CScrollerCtrl::SetWrapping（BOOL?bWrap）
{
???m_bWrap?=?bWrap;
???if?（?NULL?!=?m_hWnd?）
??????Invalidate（FALSE）;
}

//?Sets?the?color?used?for?the?background?（if?no?pattern?is?set）?
//?or?margins?（if?pattern?is?set?and?not?tiled）
void?CScrollerCtrl::SetBgColor（COLORREF?clrBg）
{
???m_crBackground?=?clrBg;
???if?（?NULL?!=?m_hWnd?）
??????Invalidate（FALSE）;
}

//?Sets?the

?屬性????????????大小?????日期????時(shí)間???名稱(chēng)
-----------?---------??----------?-----??----
?????目錄???????????0??2012-02-10?10:03??testusb\
?????目錄???????????0??2016-08-10?15:59??testusb\testUSB\
?????文件?????????173??2012-01-21?19:37??testusb\testUSB\copyright.bat
?????目錄???????????0??2016-08-10?15:53??testusb\testUSB\Debug\
?????文件???????40991??2016-08-10?15:53??testusb\testUSB\Debug\ScrollerCtrl.obj
?????文件???????????0??2016-08-10?15:53??testusb\testUSB\Debug\ScrollerCtrl.sbr
?????文件??????124178??2016-08-10?15:53??testusb\testUSB\Debug\StdAfx.obj
?????文件?????1494142??2016-08-10?15:53??testusb\testUSB\Debug\StdAfx.sbr
?????文件?????3408896??2016-08-10?15:53??testusb\testUSB\Debug\testUSB.bsc
?????文件??????131153??2016-08-10?15:53??testusb\testUSB\Debug\testUSB.exe
?????文件??????326620??2016-08-10?15:53??testusb\testUSB\Debug\testUSB.ilk
?????文件???????14020??2016-08-10?15:53??testusb\testUSB\Debug\testUSB.obj
?????文件?????7570352??2016-08-10?15:53??testusb\testUSB\Debug\testUSB.pch
?????文件??????484352??2016-08-10?15:53??testusb\testUSB\Debug\testUSB.pdb
?????文件????????2088??2016-08-10?15:53??testusb\testUSB\Debug\testUSB.res
?????文件???????????0??2016-08-10?15:53??testusb\testUSB\Debug\testUSB.sbr
?????文件???????74682??2016-08-10?15:53??testusb\testUSB\Debug\testUSBDlg.obj
?????文件???????????0??2016-08-10?15:53??testusb\testUSB\Debug\testUSBDlg.sbr
?????文件??????230400??2016-08-10?15:59??testusb\testUSB\Debug\vc60.idb
?????文件??????413696??2016-08-10?15:53??testusb\testUSB\Debug\vc60.pdb
?????文件????????5235??2014-06-28?01:00??testusb\testUSB\devioctl.h
?????文件???????12384??2001-08-17?12:39??testusb\testUSB\hid.lib
?????文件???????80543??2001-08-17?14:12??testusb\testUSB\hidpi.h
?????文件???????14593??2014-06-28?01:00??testusb\testUSB\hidsdi.h
?????文件???????11066??2014-06-28?01:00??testusb\testUSB\hidusage.h
?????文件????????3597??2004-10-28?18:55??testusb\testUSB\ReadMe.txt
?????目錄???????????0??2004-11-04?21:59??testusb\testUSB\res\
?????文件?????????869??2016-08-10?15:52??testusb\testUSB\resource.h
?????文件?????????766??2004-10-28?21:45??testusb\testUSB\res\testUSB.ico
?????文件?????????399??2004-10-28?18:55??testusb\testUSB\res\testUSB.rc2
?????文件???????15767??2004-08-21?16:22??testusb\testUSB\ScrollerCtrl.cpp
............此處省略20個(gè)文件信息