Id
This property allows you to assign a unique ID to the Bitmap control.
This is the information the variables event-control-id and control-id refer to. Both variables are defined in iscrt.def.
 
Example - Define a bitmap with ID 9
screen section.
...
  03 screen-1-bi-3 Bitmap
     line 15.8
     column 33.5
     size 63 pixels 
     lines 68 pixels 
     id 9
     .