msgs12.hlp (Topic list)
Important Notice
The pages on this site contain documentation for very old MS-DOS software, purely for historical purposes. If you're looking for up-to-date documentation, particularly for programming, you should not rely on the information found here, as it will be woefully out of date.
Scroll-bar messages (1.2)
Message Groups  Overview                          Up Next Previous
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SBM_QUERYPOS      Retrieves the position of the slider
SBM_QUERYRANGE    Retrieves the boundary values of the slider
SBM_SETPOS        Sets the position of the slider
SBM_SETSCROLLBAR  Sets the range of the slider
SBM_SETTHUMBSIZE  Sets the size of the slider
WM_HSCROLL        Indicates a horizontal-scroll-bar event
WM_VSCROLL        Indicates a vertical scroll event