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This structure contains scroll bar parameters to be set by the SetScrollInfofunction or retrieved by the GetScrollInfofunction.
Syntax
typedef struct tagSCROLLINFO { UINT cbSize; UINT fMask; int nMin; int nMax; UINT nPage; int nPos; int nTrackPos; } SCROLLINFO; typedef SCROLLINFO FAR* LPSCROLLINFO; |
Members
- cbSize
-
Specifies the size, in bytes, of this structure.
- fMask
-
Specifies the scroll bar parameters to set or retrieve. It can be a combination of the following values.
Value Description SIF_ALL
Combination of SIF_PAGE, SIF_POS, SIF_RANGE, and SIF_TRACKPOS.
SIF_DISABLENOSCROLL
This value is used only when setting a scroll bar's parameters. If the scroll bar's new parameters make the scroll bar unnecessary, disable the scroll bar instead of removing it.
SIF_PAGE
The nPagemember contains the page size for a proportional scroll bar.
SIF_POS
The nPosmember contains the scroll box position, which is not updated while the user drags the scroll box.
SIF_RANGE
The nMinand nMaxmembers contain the minimum and maximum values for the scrolling range.
SIF_TRACKPOS
The nTrackPosmember contains the current position of the scroll box while the user is dragging it.
- nMin
-
Specifies the minimum scrolling position.
- nMax
-
Specifies the maximum scrolling position.
- nPage
-
Specifies the page size. A scroll bar uses this value to determine the appropriate size of the proportional scroll box.
- nPos
-
Specifies the position of the scroll box.
- nTrackPos
-
Specifies the immediate position of a scroll box that the user is dragging. An application can retrieve this value while processing the SB_THUMBTRACK message. An application cannot set the immediate scroll position; the SetScrollInfofunction ignores this member.
Requirements
Header | winuser.h |
Windows Embedded CE | Windows CE 1.0 and later |
Windows Mobile | Windows Mobile Version 5.0 and later |
See Also
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