hwndViewer (HWND)

Handle.

This contains a handle to the clipboard application window.

sposScroll (SHORT)

Scroll position.

The position is either:

• scodeScroll is other than SB_SLIDERPOSITION Other
  The position of the slider when scodeScroll is SB_SLIDERPOSITION.

  scodeScroll (SHORT)

  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.

  ulReserved (ULONG)

  Reserved value, should be 0.

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