WM VSCROLLCLIPBOARD
Appearance
This message is sent to the clipboard owner window when the clipboard contains a data handle for the CFI_OWNERDISPLAY format, and there is an event in the clipboard viewer's vertical scroll bar.
Syntax
param1 HWND hwndViewer; /* Handle. */ param2 SHORT sposScroll; /* Scroll position. */ SHORT scodeScroll; /* Scroll-bar code. */
Parameters
- hwndViewer (HWND) - input
- Handle to the clipboard application window.
- sposScroll (SHORT) - input
- Scroll position.
- 0: scodeScroll is other than SB_SLIDERPOSITION
- Other: The position of the slider when scodeScroll is SB_SLIDERPOSITION.
- scodeScroll (SHORT) - input
- Scroll-bar code. This is one of the SB_* scroll-bar codes as defined in WM_VSCROLL.
- SB_LINEUP: Sent if the operator clicks on the up arrow of the scroll bar, or presses the VK_UP key.
- SB_LINEDOWN: Sent if the operator clicks on the down arrow of the scroll bar, or presses the VK_DOWN key.
- SB_PAGEUP: Sent if the operator clicks on the area above the slider, or presses the VK_PAGEUP key.
- SB_PAGEDOWN: Sent if the operator clicks on the area below the slider, or presses the VK_PAGEDOWN key.
- SB_SLIDERPOSITION: Sent to indicate the final position of the slider.
- SB_SLIDERTRACK: If the operator moves the scroll bar slider with the pointer device, this is sent every time the slider position changes.
- SB_ENDSCROLL: Sent when the operator has finished scrolling, but only if the operator has not been doing any absolute slider positioning.
Returns
- ulReserved (ULONG) - returns
- Reserved value, should be 0.
Remarks
The clipboard owner is responsible for displaying the clipboard contents. The clipboard owner should use WinInvalidateRect or repaint as desired. The scroll bar position is also reset.
Default Processing
None.