The following table provides summary descriptions of the DCL opening and closing functions.
| Dialog box opening and closing functions | Platforms | |||||
|---|---|---|---|---|---|---|
| Windows | Mac OS | Web | ||||
| Function name | Description | AutoCAD | AutoCAD LT | AutoCAD | AutoCAD LT | AutoCAD | 
| Terminates a dialog box | ✓ | ✓ | ✓ | -- | ✓ | |
| Loads a DCL file | ✓ | ✓ | ✓ | -- | ✓ | |
| Begins a new dialog box and displays it, and can also specify a default action | ✓ | ✓ | ✓ | -- | ✓ | |
| Displays a dialog box and begins accepting user input | ✓ | ✓ | ✓ | -- | ✓ | |
| Terminates all current dialog boxes as if the user cancels each of them | ✓ | ✓ | ✓ | -- | ✓ | |
| Unloads a DCL file | ✓ | ✓ | ✓ | -- | ✓ | |