TVM_GETNEXTITEM

The TVM_GETNEXTITEM message 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 the following related macros: TreeView_GetChild, TreeView_GetDropHilite, TreeView_GetFirstVisible, TreeView_GetNextSibling, TreeView_GetNextVisible, TreeView_GetParent, TreeView_GetPrevSibling, TreeView_GetPrevVisible, TreeView_GetRoot, or TreeView_GetSelection.

TVM_GETNEXTITEM

wParam = (WPARAM) (UINT) flag;

lParam = (LPARAM) (HTREEITEM) hitem;

Parameters

flag

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

Value	Message
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_GetDropHilite 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.

hitem

Handle to an item.

Return Values

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

See Also

TreeView_GetChild, TreeView_GetDropHilite, TreeView_GetFirstVisible, TreeView_GetNextSibling, TreeView_GetNextVisible, TreeView_GetParent, TreeView_GetPrevSibling, TreeView_GetPrevVisible, TreeView_GetRoot, TreeView_GetSelection, TVM_GETITEMRECT

Software for developers

Delphi Components
.Net Components
Software for Android Developers

More information resources

MegaDetailed.Net
Unix Manual Pages
Delphi Examples