/////////////////////////////////////////////////////////////////
//
// Header file : skinsb.h
//
// Descrption  : Skin scrollbar library Version 1.0
//
// Auhor       : LiJun
//
// E-Mail      : notoldtree@126.com 
//
/////////////////////////////////////////////////////////////////

#pragma once
#include <windows.h>

#ifdef __cplusplus
extern "C"{
#endif


//----------------------------------------------------------------
// Name : SkinSB_Init()
// Desc : Initialize and load the scrollbar skin
//----------------------------------------------------------------
BOOL WINAPI SkinSB_Init(HWND hwnd, HBITMAP hBmp);


//----------------------------------------------------------------
// Name : SkinSB_Uninit()
// Desc : Remove the scrollbar skin
//----------------------------------------------------------------
BOOL WINAPI SkinSB_Uninit(HWND hwnd);


//----------------------------------------------------------------
// Name : SkinSB_IsValid()
// Desc : Whether initialied ?
//----------------------------------------------------------------
BOOL WINAPI SkinSB_IsValid(HWND hwnd);


//----------------------------------------------------------------
// Name : SkinSB_GetScrollInfo()
// Desc : Gets the information for a skin scroll bar
//----------------------------------------------------------------
BOOL WINAPI SkinSB_GetScrollInfo(HWND hwnd, int fnBar, LPSCROLLINFO lpsi);


//----------------------------------------------------------------
// Name : SkinSB_SetScrollInfo()
// Desc : Sets the information for a skin scroll bar
//---------------------------------------------------------------- 
int  WINAPI SkinSB_SetScrollInfo(HWND hwnd, int fnBar, LPCSCROLLINFO psi, BOOL fRedraw);


//----------------------------------------------------------------
// Name : SkinSB_GetScrollPos()
// Desc : Gets the thumb position in a skin scroll bar
//----------------------------------------------------------------
int  WINAPI SkinSB_GetScrollPos(HWND hwnd, int fnBar);


//----------------------------------------------------------------
// Name : SkinSB_SetScrollPos()
// Desc : Sets the current position of the thumb in a skin scroll bar
//----------------------------------------------------------------
int  WINAPI SkinSB_SetScrollPos(HWND hwnd, int nBar, int nPos, BOOL fRedraw);


//----------------------------------------------------------------
// Name : SkinSB_GetScrollRange()
// Desc : Gets the scroll range for a skin scroll bar
//----------------------------------------------------------------
BOOL WINAPI SkinSB_GetScrollRange(HWND hwnd, int nBar, LPINT lpMinPos, LPINT lpMaxPos);


//----------------------------------------------------------------
// Name : SkinSB_SetScrollRange()
// Desc : Sets the scroll range of a skin scroll bar
//----------------------------------------------------------------
BOOL WINAPI SkinSB_SetScrollRange(HWND hwnd, int nBar, int nMinPos, int nMaxPos, BOOL fRedraw);


//----------------------------------------------------------------
// Name : SkinSB_ShowScrollBar()
// Desc : Shows or hides a skin scroll bar
//----------------------------------------------------------------
BOOL WINAPI SkinSB_ShowScrollBar(HWND hwnd, int wBar, BOOL fShow);


//----------------------------------------------------------------
// Name : SkinSB_EnableScrollBar()
// Desc : Enables or disables one or both skin scroll bar direction buttons
//----------------------------------------------------------------
BOOL WINAPI SkinSB_EnableScrollBar(HWND hwnd, UINT wSBflags, UINT wArrows);


#ifdef __cplusplus
}
#endif