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Controls Reference : COMBO-BOX : Properties : Bitmap-Width

Bitmap-Width
This property identifies the width in pixels of the image displayed on the side of the item identified by the Item property. The bitmap strip identified by the Bitmap-Handle property is divided into several smaller images. The width of each image is the value assigned to this property.
 
Example - Define a combo-box that uses bitmap images for the items
working-storage section.
77 icon-png pic s9(9comp-4.
screen section.
03 screen-1-co-1 Combo-Box
   line 19.4
   column 23.2
   size 11.9 cells 
   lines 11.1
   id 13
   drop-down
   bitmap-width 20
   bitmap-handle icon-png
procedure division.
   *> Load the bitmap to a handle
   call "w$bitmap" 
        using wbitmap-load "icon.png" giving icon-png.
   *> Add 3 items and assign a bitmap image to each
   modify screen-1-co-1 item-to-add ("Blue""Cyan""Green")
   modify screen-1-co-1(1bitmap-number 20
   modify screen-1-co-1(2bitmap-number 16
   modify screen-1-co-1(3bitmap-number 17.

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