This notification message notifies a tree view control’s parent window that the selection has changed from one item to another. It is sent in the form of a WM_NOTIFY message.
At a Glance
| Header file: | Commctrl.h |
| Windows CE versions: | 1.0 and later |
Syntax
Parameters
pnmtv
Pointer to an NMTREEVIEW structure. The itemOld and itemNew members of the NMTREEVIEW structure are TVITEM structures that contain information about the previously selected item and the newly selected item. Only the mask, hItem, state, and lParam members of these structures are valid. The stateMask members of the TVITEM structures specified by itemOld and itemNew are undefined on input.
The action member of the NMTREEVIEW structure indicates the type of action that caused the selection to change. It is one of the following values:
| Value | Description |
| TVC_BYKEYBOARD | By a keystroke. |
| TVC_BYMOUSE | By a mouse click. |
| TVC_UNKNOWN | Unknown. |
Return Values
The return value is ignored.
See Also