This operation updates the progress dialog box with the current state of the work being monitored. It takes three parameters:
| handle | The handle of the progress dialog returned by WPROGRESSDIALOG-CREATE. |
| completed | A numeric literal or data item specifying an application-defined value that indicates what proportion of the work has been completed so far. |
| total | A numeric literal or data item specifying an application-defined value that specifies what value the 'completed' parameter will have when the work is complete. |