SOB – Object – ComboBox

This executable supports three types of ComboBox SOBs.

  • DROPDOWN – lets a user select an item from a dropdown list. The list can not be extended by the user.
  • EDIT.DROPDOWN – lets a user select an item from a dropdown list. The list can be extended by the user.
  • EDIT – lets a user select an item from a fixed size panel, which the user can navigate using the up/down arrows on the keyboard.. The list can be extended by the user.

The following is a screenshot at a demo that is embedded in the executable, and can be found as  Combo Boxes at the menu option Help / sub-section Screen Object  -Demos which demonstrates a few topics.

 

 

 

 

Functional specifications for combo related SOB commands:
Add – Combo – Dropdown

SOB ( _
<Parent: number expression> ,_
"ADD" , _
"COMBO" ,
"DROPDOWN" , _
"<width of box : string expression>" , _
)

  • Where <width of box : string expression> is a text string, enclosed in a pair of  " , used to define the nominal width of the combo box.

 

Add – Combo – Edit.Dropdown

SOB ( _
<Parent: number expression> ,_
"ADD" , _
"COMBO" ,
"EDIT.DROPDOWN" , _
"<width of box : string expression>" , _
)

  • Where <width of box : string expression> is a text string, enclosed in a pair of  " , used to define the nominal width of the combo box.

 

Add – Combo – Edit

SOB ( _
<Parent: number expression> ,_
"ADD" , _
"COMBO" ,
"EDIT" , _
"<width of box : string expression>" ,
<number of displayed rows : integer expression> , _
)

  • Where <width of box : string expression> is a text string, enclosed in a pair of  " , used to define the nominal width of the combo box
  • Where <number of displayed rows : integer expression> is an integer number that defines the number of rows (nominally) visible.