notifycode (USHORT)

      Notify code.

      The container control uses the following notification codes. For the complete description of the specified notifycode, see Container Control Notification Codes.

      CN_BEGINEDIT

        Container text is about to be edited.
      CN_COLLAPSETREE
        A parent item was collapsed in the tree view.
      CN_CONTEXTMENU
        The container received a WM_CONTEXTMENU message.
      CN_DRAGAFTER
        The container received a DM_DRAGOVER message. The CN_DRAGAFTER notification code is sent only if either the CA_ORDEREDTARGETEMPH or CA_MIXEDTARGETEMPH attribute of the CNRINFO data structure is set and the current view is the name, text, or details view.
      CN_DRAGLEAVE
        The container received a DM_DRAGLEAVE message.
      CN_DRAGOVER
        The container received a DM_DRAGOVER message. The CN_DRAGOVER notification code is sent only if the CA_ORDEREDTARGETEMPH attribute of the CNRINFO data structure is not set or the current view is the icon view or tree view.
      CN_DROP
        The container received a DM_DROP message.
      CN_DROPNOTIFY
        The container received a DM_DROPNOTIFY message.
      CN_DROPHELP
        The container received a DM_DROPHELP message.
      CN_EMPHASIS
        A container record's attributes changed.
      CN_ENDEDIT
        Direct editing of container text has ended.
      CN_ENTER
        The Enter key is pressed while the container window has the focus, or the select button is double-clicked while the pointer is over the container window.
      CN_EXPANDTREE
        A parent item is expanded in the tree view.
      CN_GRIDRESIZED
        The grid was resized. This means there are more or fewer squares than previously, and all the squares are now marked CM_AVAIL.
      CN_HELP
        The container received a WM_HELP message.
      CN_INITDRAG
        The drag button was pressed and the pointer was moved while the pointer was over the container control.
      CN_KILLFOCUS
        The container is losing the focus.
      CN_PICKUP
        The container received a WM_PICKUP message.
      CN_QUERYDELTA
        Queries for more data when a user scrolls to a preset delta value.
      CN_REALLOCPSZ
        Container text is edited. This message is sent before the CN_ENDEDIT notification code is sent.
      CN_SCROLL
        The container window scrolled.
      CN_SETFOCUS
        The container is receiving the focus.

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