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DAD_AutoScroll function

[DAD_AutoScroll is available in Windows 2000 and Windows XP. It might be altered or unavailable in subsequent versions.]

Scrolls the window while an image is being dragged.

Syntax


BOOL DAD_AutoScroll(
  _In_  HWND hwnd,
  _In_  AUTO_SCROLL_DATA *pad,
  _In_  const POINT *pptNow
);

Parameters

hwnd [in]

Type: HWND

A handle to the window being scrolled.

pad [in]

Type: AUTO_SCROLL_DATA*

A pointer to the AUTO_SCROLL_DATA structure.

pptNow [in]

Type: const POINT*

A pointer to the current scroll coordinates.

Return value

Type: BOOL

Returns nonzero if successful, or zero otherwise.

Remarks

The function is successful and the window scrolls only when the bFull parameter of the AUTO_SCROLL_DATA structure is TRUE. Each time this function is called, as long as bFull is FALSE, the iNextSample parameter is incremented by 1 and the current scroll coordinates and time are returned in the AUTO_SCROLL_DATA structure. When iNextSample is equal to NUM_POINTS, bFull is set to TRUE, the function succeeds, and the window scrolls.

Requirements

Minimum supported client

Windows 2000 Professional [desktop apps only]

Minimum supported server

Windows 2000 Server [desktop apps only]

Header

Shlobj.h

Library

Shell32.lib

DLL

Shell32.dll (version 5.00 or later)

See also

AUTO_SCROLL_DATA

 

 

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