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Add Horizontal & Vertical Scroll bars to a control having HWnd property

by Jeffr o'Neil ()
Category: Windows API Call/Explanation
Compatability: Visual Basic 5.0
Difficulty: Unknown Difficulty
Originally Published: Thu 24^th May 2001
Date Added: Mon 8^th February 2021
Rating: (1 Votes)

Add Horizontal & Vertical Scroll bars to a control having HWnd property

API Declarations


'Originaly written by KPD-Team 2000 for a form
' Horizontal sbar addandum by Jeffry O'Neil 2001
'add a picture box named Picture1
Const WS_VSCROLL = &H200000
Const WS_HSCROLL = &H100000
Const GWL_STYLE = (-16)

Const WSB_PROP_CYVSCROLL = &H1
Const WSB_PROP_CXHSCROLL = &H2
Const WSB_PROP_CYHSCROLL = &H4
Const WSB_PROP_CXVSCROLL = &H8
Const WSB_PROP_CXHTHUMB = &H10
Const WSB_PROP_CYVTHUMB = &H20
Const WSB_PROP_VBKGCOLOR = &H40
Const WSB_PROP_HBKGCOLOR = &H80
Const WSB_PROP_VSTYLE = &H100
Const WSB_PROP_HSTYLE = &H200
Const WSB_PROP_WINSTYLE = &H400
Const WSB_PROP_PALETTE = &H800
Const WSB_PROP_MASK = &HFFF
Const FSB_FLAT_MODE = 2
Const FSB_ENCARTA_MODE = 1
Const FSB_REGULAR_MODE = 0

Const SB_HORZ = 0
Const SB_VERT = 1
Const SB_BOTH = 3

Const ESB_ENABLE_BOTH = &H0
Const ESB_DISABLE_BOTH = &H3
Const ESB_DISABLE_LEFT = &H1
Const ESB_DISABLE_RIGHT = &H2
Const ESB_DISABLE_UP = &H1
Const ESB_DISABLE_DOWN = &H2
Const ESB_DISABLE_LTUP = ESB_DISABLE_LEFT
Const ESB_DISABLE_RTDN = ESB_DISABLE_RIGHT

Const SIF_RANGE = &H1
Const SIF_PAGE = &H2
Const SIF_POS = &H4
Const SIF_ALL = (SIF_RANGE Or SIF_PAGE Or SIF_POS)

Private Type SCROLLINFO
cbSize As Long
fMask As Long
nMin As Long
nMax As Long
nPage As Long
nPos As Long
nTrackPos As Long
End Type
Private Declare Function GetWindowLong Lib "user32" Alias "GetWindowLongA" (ByVal hWnd As Long, ByVal nIndex As Long) As Long
Private Declare Function SetWindowLong Lib "user32" Alias "SetWindowLongA" (ByVal hWnd As Long, ByVal nIndex As Long, ByVal dwNewLong As Long) As Long
Private Declare Function InitializeFlatSB Lib "comctl32" (ByVal hWnd As Long) As Long
Private Declare Function UninitializeFlatSB Lib "comctl32" (ByVal hWnd As Long) As Long
Private Declare Function FlatSB_SetScrollProp Lib "comctl32" (ByVal hWnd As Long, ByVal index As Long, ByVal newValue As Long, ByVal fRedraw As Boolean) As Boolean
Private Declare Function FlatSB_EnableScrollBar Lib "comctl32" (ByVal hWnd As Long, ByVal wSBflags As Long, ByVal wArrows As Long) As Long
Private Declare Function FlatSB_GetScrollInfo Lib "comctl32" (ByVal hWnd As Long, ByVal fnBar As Long, lpsi As SCROLLINFO) As Boolean
Private Declare Function FlatSB_GetScrollProp Lib "comctl32" (ByVal hWnd As Long, ByVal index As Long, pValue As Long) As Boolean
Private Declare Function FlatSB_GetScrollRange Lib "comctl32" (ByVal hWnd As Long, ByVal code As Long, lpMinPos As Long, lpMaxPos As Long) As Boolean
Private Declare Function FlatSB_SetScrollInfo Lib "comctl32" (ByVal hWnd As Long, ByVal fnBar As Long, lpsi As SCROLLINFO, ByVal fRedraw As Boolean) As Long
Private Declare Function FlatSB_SetScrollPos Lib "comctl32" (ByVal hWnd As Long, ByVal code As Long, ByVal nPos As Long, ByVal fRedraw As Boolean) As Long
Private Declare Function FlatSB_SetScrollRange Lib "comctl32" (ByVal hWnd As Long, ByVal code As Long, ByVal nMinPos As Long, ByVal nMaxPos As Long, ByVal fRedraw As Boolean) As Long
Private Declare Function FlatSB_ShowScrollBar Lib "comctl32" (ByVal hWnd As Long, ByVal code As Long, ByVal fShow As Boolean) As Boolean
Private Declare Function FlatSB_GetScrollPos Lib "comctl32" (ByVal hWnd As Long, ByVal code As Long) As Long






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