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MWAPI - Long List Box Events

Draft MDC Standard

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9.1.6 Long List Box Events

Long list box events (i.e. go bottom, go down, go down big, go top, go up, go up big events) occur when the user selects a movement control in a long list box gadget or uses a platform-specific key combination. If a long list box event is not enabled when a long list box gadget is created, the corresponding movement control may be absent from the long list box and it may not be possible to add it subsequently.

A go bottom event, indicated by an etype value equal to "GOBOTTOM", occurs for a gadget when the user selects the gadget’s go bottom movement control.

A go down event, indicated by an etype value equal to "GODOWN", occurs for a gadget when the user selects the gadget’s go down movement control.

A go down big event, indicated by an etype value equal to "GODOWNBIG", occurs for a gadget when the user selects the gadget’s go down big movement control.

A go top event, indicated by an etype value equal to "GOTOP", occurs for a gadget when the user selects the gadget’s go top movement control.

A go up event, indicated by an etype value equal to "GOUP", occurs for a gadget when the user selects the gadget’s go up movement control.

A go up big event, indicated by an etype value equal to "GOUPBIG", occurs for a gadget when the user selects the gadget’s go up big movement control.

If the event is caused by keyboard action the KEY einfoattribute contains the modifierkeys, if any, applying to the keyboard action, or emptystring. If the event is caused by pointer action the KEY einfoattribute is not present.

Button for 1977 Button for 1984 Button for 1990 Button for 1995 Button for MDC Button for notes Button for examples

Copyright © Standard Documents; 1977-2024 MUMPS Development Committee;
Copyright © Examples: 1995-2024 Ed de Moel;
Copyright © Annotations: 2003-2008 Jacquard Systems Research
Copyright © Annotations: 2008-2024 Ed de Moel.

Some specifications are "approved for inclusion in a future standard". Note that the MUMPS Development Committee cannot guarantee that such future standards will indeed be published.

This page most recently updated on 14-Nov-2023, 22:11:58.

For comments, contact Ed de Moel (demoel@jacquardsystems.com)