TVN_SELCHANGING
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4/8/2010
This message notifies a tree view control's parent window that the selection is about to change from one item to another. It is sent in the form of a WM_NOTIFY message.
Syntax
TVN_SELCHANGING pnmtv = (NM_TREEVIEW FAR *) lParam
Parameters
- pnmtv
Pointer to an NM_TREEVIEW structure. The itemOld and itemNew members contain valid information about the currently selected item and the newly selected item. The action member indicates whether a mouse or keyboard action is causing the selection to change. For a list of possible values, see the description of the TVN_SELCHANGED message.
Return Value
TRUE prevents the selection from changing.
Requirements
| Header | commctrl.h |
| Windows Embedded CE | Windows CE 1.0 and later |
| Windows Mobile | Windows Mobile Version 5.0 and later |