Bitmap-Width
This property identifies the width in pixels of the image displayed in the Radio-Button control. 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.
If this property is omitted, then the Size property is used to specify the width of the image.
 
Example - Define a radio button that uses a bitmap defining the width of every image in the bitmap
screen section.
...
  03 screen-1-rb-1 Radio-Button
     line 20.9
     column 5.4
     size 112
     lines 45
     id 4
     title "Option 1"
     bitmap-handle icon-png1
     square
     bitmap-number 1
     bitmap-disabled 6
     bitmap-rollover 3
     bitmap-pressed 2
     bitmap-width 18
     title-position 2
     bitmap-selected 5
     bitmap-rollover-selected 4
     .