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TVN_SELCHANGING

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Windows Embedded CE 6.0 R3

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

See Also

Reference

NM_TREEVIEW
TVN_SELCHANGED
WM_NOTIFY