WinStudio
Event handlers of the type Run Background Task.
Property: Event handler parameters.
The substitution keyword BG~TASKID~ is replaced with the Task Number of a background task.
BGTASKID
When a user submits a background task, WinStudio assigns a number to the task. This number appears in the Task Number field on the form Background Task History. Task Manager replaces BG~TASKID~ with that number.