This macro retrieves the tree-view item that bears the specified relationship to a specified item. You can use this macro, use one of the TreeView_Get macros described below, or send the TVM_GETNEXTITEM message explicitly.
At a Glance
| Header file: | Commctrl.h |
| Windows CE versions: | 1.0 and later |
| Related message: | TVM_GETNEXTITEM |
Syntax
HTREEITEM TreeView_GetNextItem( hwnd, hitem, flag);
Parameters
hwndTV
Handle to the tree view control.
hitem
Handle to an item.
flag
Flag that specifies the item to retrieve. It is one of the following values:
| Value | Description |
| 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 visible item. You can use the TreeView_GetFirstVisible 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. |
Return Values
The handle to the item indicates success. NULL indicates failure.