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Sets information used to determine auto-scroll characteristics. You can send this message explicitly or by using the TreeView_SetAutoScrollInfo macro.
Parameters
-
wParam [in]
-
Specifies pixels per second. The offset to scroll is divided by the wParam to determine the total duration of the auto-scroll.
-
lParam [in]
-
Specifies the redraw time interval. Redraw at every elasped interval, until the item is scrolled into view. Given wParam, the ___location of the item is calculated and a repaint occurs. Set this value to create smooth scrolling.
Return value
Returns TRUE.
Remarks
Autoscroll information is used to scroll a nonvisible item into view. The control must have the TVS_EX_AUTOHSCROLL extended style. For information on extended styles, see Tree-View Control Extended Styles.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client |
Windows Vista [desktop apps only] |
| Minimum supported server |
Windows Server 2008 [desktop apps only] |
| Header |
|