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LVM_GETTOPINDEX message

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Retrieves the index of the topmost visible item when in list or report view. You can send this message explicitly or by using the ListView_GetTopIndex macro.

Parameters

wParam

Must be zero.

lParam

Must be zero.

Return value

Returns the index of the item if successful. Returns zero if the list-view control is in icon or small icon view, or if the list-view control is in details view with groups enabled.

Requirements

Requirement Value
Minimum supported client
 Windows Vista [desktop apps only]
Minimum supported server
 Windows Server 2003 [desktop apps only]
Header
Commctrl.h