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out of date.
WM_HSCROLLCLIPBOARD (1.2)
◄Message Group► ◄Overview► ◄Up► ◄Next► ◄Previous►
────────────────────────────────────────────────────────────────────────────
#define INCL_WINCLIPBOARD
WM_HSCROLLCLIPBOARD
hwndClip = HWNDFROMMP(mp1); /* handle of clipboard owner */
sPos = SHORT1FROMMP(mp2); /* slider position */
usCmd = SHORT2FROMMP(mp2); /* command */
The WM_HSCROLLCLIPBOARD message is sent by the clipboard viewer to the
clipboard owner when the clipboard data has the CFI_OWNERDISPLAY attribute
and there is an event in the clipboard viewer's horizontal scroll bar. The
owner should scroll the clipboard image, invalidate the appropriate
sections, and update the scroll-bar values.
Parameter Description
────────────────────────────────────────────────────────────────────────────
hwndClip Low and high word of mp1. Identifies the clipboard viewer.
sPos Low word of mp2. Specifies the slider position.
usCmd High word of mp2. Specifies the type of command. This parameter
can be one of the following values:
Value Meaning
─────────────────────────────────────────────────────────────────
SB_LINELEFT The user clicked the left scroll-bar arrow or
pressed the VK_LEFT key.
SB_LINERIGHT The user clicked the right scroll-bar arrow or
pressed the VK_RIGHT key.
SB_PAGELEFT The user clicked the area to the left of the
slider.
SB_PAGERIGHT The user clicked the area to the right of the
slider.
SB_SLIDERPOSITION The sPos parameter contains the final position
of the slider.
SB_SLIDERTRACK The user is dragging the slider. This value is
sent every time the slider position changes.
SB_ENDSCROLL The user has finished scrolling. This value is
set only if the user was not doing an absolute
slider movement.
Return Value
An application should return zero if it processes this message.
See Also
WM_HSCROLL, WM_VSCROLLCLIPBOARD
♦