notifycode (USHORT)

Notify code.

The value set control uses these notification codes:

VN_DRAGLEAVE

The value set receives a DM_DRAGLEAVE message.
VN_DRAGOVER
The value set receives a DM_DRAGOVER message.
VN_DROP
The value set receives a DM_DROP message. The VN_DROP notification code is sent only when an item is dropped on an item that has the VIA_DROPONABLE attribute.
VN_DROPHELP
The value set receives a DM_DROPHELP message.
VN_ENTER
The user presses the Enter key while the value set window has the focus or double-clicks the select button while the pointer is over an item in the value set.
VN_HELP
The value set receives a WM_HELP message.
VN_INITDRAG
The drag button was pressed and the pointer was moved while the pointer was over the value set control. The VN_INITDRAG notification code is sent only for items that have the VIA_DRAGGABLE attribute.
VN_KILLFOCUS
The value set is losing the focus.
VN_SELECT
An item in the value set has been selected and is given selected-state emphasis.
VN_SETFOCUS
The value set receives the focus.

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