TVM_GETNEXTITEM

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TVM_GETNEXTITEM

TVM_GETNEXTITEM wParam = (WPARAM) (UINT) flag; lParam = (LPARAM) (HTREEITEM) hitem;

Retrieves the tree view item that bears the specified relationship to a specified item. You can send this message explicitly, by using the TreeView_GetNextItem macro, or by using one of these related macros:

Returns the handle to the item if successful, or NULL otherwise.

flag

Flag specifying the item to retrieve. This parameter can be one of the following values:

TVGN_CARET	Retrieves the currently selected item. You can use the TreeView_GetSelection macro to send this message.
TVGN_CHILD	Retrieves the first child item of the item specified by the hitem parameter. You can use the TreeView_GetChild macro to send this message.
TVGN_DROPHILITE	Retrieves the item that is the target of a drag-and-drop operation. You can use the TreeView_GetDropHilight macro to send this message.
TVGN_FIRSTVISIBLE	Retrieves the first item that is visible in the tree view window. You can use the TreeView_GetFirstVisible macro to send this message.
TVGN_LASTVISIBLE	Version 4.71. Retrieves the last expanded item in the tree. This does not retrieve the last item visible in the tree view window. You can use the TreeView_GetLastVisible macro to send this message.
TVGN_NEXT	Retrieves the next sibling item. You can use the TreeView_GetNextSibling macro to send this message.
TVGN_NEXTVISIBLE	Retrieves the next visible item that follows the specified item. The specified item must be visible. Use the TVM_GETITEMRECT message to determine whether an item is visible. You can use the TreeView_GetNextVisible macro to send this message.
TVGN_PARENT	Retrieves the parent of the specified item. You can use the TreeView_GetParent macro to send this message.
TVGN_PREVIOUS	Retrieves the previous sibling item. You can use the TreeView_GetPrevSibling macro to send this message.
TVGN_PREVIOUSVISIBLE	Retrieves the first visible item that precedes the specified item. The specified item must be visible. Use the TVM_GETITEMRECT message to determine whether an item is visible. You can use the TreeView_GetPrevVisible macro to send this message.
TVGN_ROOT	Retrieves the topmost or very first item of the tree view control. You can use the TreeView_GetRoot macro to send this message.

hitem

Handle to an item.


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