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NM_RETURN (tree view) notification code (Commctrl.h)
Notifies a tree-view control's parent window that the control has the input focus and that the user has pressed the key. This notification code is sent in the form of a WM\_NOTIFY message.
e4a048ec-4643-458a-bf75-f5b08163d6c6
NM_RETURN (tree view) notification code Windows Controls
apiref
NM_RETURN
Commctrl.h
HeaderDef
reference
05/31/2018

NM_RETURN (tree view) notification code

Notifies a tree-view control's parent window that the control has the input focus and that the user has pressed the key. This notification code is sent in the form of a WM_NOTIFY message.

NM_RETURN

    lpnmh = (LPNMHDR) lParam;

Parameters

lParam

Pointer to an NMHDR structure that contains additional information about this notification.

Return value

Return nonzero to prevent the default processing, or zero to allow the default processing.

Requirements

Requirement Value
Minimum supported client
 Windows Vista [desktop apps only]
Minimum supported server
 Windows Server 2003 [desktop apps only]
Header
Commctrl.h