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ShowScrollbar

The ShowScrollBar function shows or hides the specified scroll bar.

VB4-32,5,6
Declare Function ShowScrollBar Lib "user32" (ByVal hwnd As Long, ByVal wBar As Long, ByVal bShow As Long) As Long

VB.NET
System.Windows.Forms.ScrollBar.Visible

Operating Systems Supported
Requires Windows NT 3.1 or later; Requires Windows 95 or later

Library
User32

Parameter Information
- hWnd
[in] Handle to a scroll bar control or a window with a standard scroll bar, depending on the value of the wBar parameter.

- wBar
[in] Specifies the scroll bar(s) to be shown or hidden. This parameter can be one of the following values. Value Meaning
SB_BOTH
Shows or hides a window's standard horizontal and vertical scroll bars.
SB_CTL
Shows or hides a scroll bar control. The hWnd parameter must be the handle to the scroll bar control.
SB_HORZ
Shows or hides a window's standard horizontal scroll bars.
SB_VERT
Shows or hides a window's standard vertical scroll bar.

- bShow
[in] Specifies whether the scroll bar is shown or hidden. If this parameter is TRUE, the scroll bar is shown; otherwise, it is hidden.

Return Values
If the function succeeds, the return value is nonzero.

If the function fails, the return value is zero. To get extended error information, call GetLastError.

Last update: 07 April 2006