GUI ScreenIO for Windows

 ScreenIO.com


Listbox Control Properties

The items are arranged in alphabetical order.

Item Significance
? Allows you to enter text that will be displayed in a ToolTip when the user pauses the mouse pointer over the control.
COBOL Field Name COBOL name of your control.  All of the fields in the panel copybook for this control will be prefaced with this name.
Field properties... Displays the field properties panel, where you define the properties of the data elements used in this control.
List definition:

List contains...

Displays a popup that collects the values you want to display in the list.  These are contained in a VALUE clause in the panel copybook.
List definition:

Number of elements in list

Specifies the maximum number of entries the list may contain.  If the control is too small to display the entire list, it will provide scrollbars.

Note:  Windows 9x limits this control to a maximum of 8,160 items, or 32K of data; whichever is less.  If you need to display more items than this, you should consider using a listview.

Presentation:

Has a border

Draws a dark line around the control.
Presentation:

Multiple columns

Displays the data in multiple columns and allows the user to scroll horizontally to see all of the items in the list.
Presentation:

Multiple selections

Allows the user to select more than one item in the list.
Presentation:

Sort the list when displayed

Presents the data in the list sorted in ascending order when the list is displayed.
Presentation:

Sunken appearance

Has a border that makes the control appear sunken.
Return to program when:

Each time selection changes

Causes GUI ScreenIO to return an event when the user selects a different item in the list.
Return to program when:

Entering field

Causes GUI ScreenIO to return an event when the user activates this control.  See hot fields.
Return to program when:

Leaving (always)

Causes GUI ScreenIO to return an event when the user activates a different control on the panel.  See hot fields.
Return to program when:

Leaving (if selection changed)

Causes GUI ScreenIO to return an event when the user activates a different control on the panel, but only if a different item was selected.  See hot fields.
Runtime behavior:

Tab stops here

Makes it possible to use the Tab key to navigate to this control.

Related topics:


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