
		        Trackbar ؼ֮ʹ÷

                                    : ֣Ȼ

    Trackbar ؼķʹWin32 SDKеTrackbarؼơ
϶Ҳʹ÷PageUp,PageDown,Home,End
ơѡǷб߿TBS_BORDER)ֱ(TBS_TIP)
Ƿֱ(TBS_VERTICAL)λøıʱǷ֪ͨ(TBS_NOTIFY)ȡ
    ӦóʹTrackbarؼĿؼںСؼе
齫Сؼںܴ󣬻Ҳᰴ󣬵ᳬ
Ԥȶ߶(SliderMaxHeight)Ϳ(SliderMaxWidth)
ЩԸı䡣̫СӰۡ
    ֱǷֻûֱʱЧΪֱʱֱ
ĶÿTBS_NOTIFYһλøı䣬ؼ֪ᷢͨ
Ϣڡ
    ؼϢWin32 SDKһͨϢֵȡص
ֵͨwParamȡصָ,õʱwParam
ͬʱûȡʱwParamlParamminigui
ؼҲȡķҾöָͨʽĲֵ
SendMessageķֵӦֻ״̬߼ȽһЩ
    ؼݽṹtrackbar.hؼϢcontrol.hе
ز֡
    ˽
    
    		Trackbar Control Helpfile
һ ڷ

#define	TBS_NOTIFY		һλøı,֪ͨ;
#define TBS_VERTICAL		Trackbarֱ;
#define TBS_BORDER		һ߿,ʹTrackbar3DЧ;
#define TBS_TIP			ֱ,ʼ,Ǻͻ鵱ǰλֵ,
				ֻûTBS_VERTICALʱЧ;
#define TBS_FOCUS		־Trackbarý,ؼʹãûҪ;
#define TBS_DRAGGED		־Trackbarڱ϶,ؼʹãûҪ;
#define TBS_MOUSEDOWN		־TrackbarԱ϶,ؼʹãûҪ;

 Ϣ
ԭͨϢֵȡصֵͨwParamȡصָ,
õʱwParamͬʱûȡʱwParamlParam

TBM_SETRANGE			ûƶΧͬʱֵСֵ	
	wParam = (WPARAM) nMax; 
    	lParam = (LPARAM) nMin; 
TBM_SETMIN			ûƶΧСֵ			
	wParam = (WPARAM) nMin; 
	lParam = 0; 
TBM_GETMIN			ػƶΧСֵ
	wParam = 0; 
	lParam = 0; 
TBM_SETMAX			ûƶΧֵ
	wParam = (WPARAM) nMax; 
	lParam = 0; 
TBM_GETMAX			ػƶΧֵ
	wParam = 0; 
	lParam = 0; 
TBM_SETPOS			ûλã
	wParam = (WPARAM) nPos; 
	lParam = 0; 
TBM_GETPOS			ػĵǰλֵ
	wParam = 0; 
	lParam = 0; 
TBM_SETLINESIZE			õʱƶľ룻 
	wParam = (WPARAM) nLineSize; 
	lParam = 0; 
TBM_GETLINESIZE 		صʱƶľ룻 
	wParam = 0; 
	lParam = 0; 
TBM_SETPAGESIZE 		õPageDownPageUpʱƶľ룻
	wParam = (WPARAM) nPageSize; 
	lParam = 0; 
TBM_GETPAGESIZE 		صPageDownPageUpʱƶľ룻
	wParam = 0; 
	lParam = 0; 
TBM_SETSTARTTIP			ʼֱǣƶΧСֱֵǣ
	wParam = (WPARAM) psStartTip;		Ӧַָ
	lParam = 0; 
TBM_SETENDTIP			ýֱǣƶΧֱֵǣ
	wParam = (WPARAM) psEndTip;		Ӧַָ 
	lParam = 0; 
TBM_GETTIP			ȡֱǣ
	wParam = (WPARAM) psStartTip;		Ӧַָ 
	lParam = (LPARAM) psEndTip;		Ӧַָ 
TBM_SETTICKFREQ			ÿ̶ظƵʣپ뻭һ̶ȣ
	wParam = (WPARAM) nTickFreq; 
	lParam = 0; 
TBM_GETTICKFREQ			ؿ̶ظƵʣ
	wParam = 0; 
	lParam = 0; 
	
 ֪ͨϢ

TBN_CHANGE			֪ͨTrackbarĻλ÷ı;
TBN_REACHMIN			֪ͨTrackbarĻ鵽Сֵ,
				յ֪ͨϢ֮ǰյTBN_CHANGE֪ͨϢ;
TBN_REACHMAX			֪ͨTrackbarĻ鵽ֵ,
				յ֪ͨϢ֮ǰյTBN_CHANGE֪ͨϢ

