Constructs an editor reactor object that notifies of a drawing event (for example, opening or closing a drawing file)
(vlr-dwg-reactor data callbacks)
Arguments
nil if no data.
Any AutoLISP data to be associated with the reactor object; otherwiseA list of pairs of the following form:
(event-name . callback_function)
where event-name is one of the symbols listed in the “DWG reactor events” table below, and callback_function is a symbol representing a function to be called when the event occurs. Each callback function accepts two arguments:
reactor_object The VLR object that called the callback function.
list A list of extra data elements associated with the particular event. The contents of this list for particular events are shown in the “DWG reactor callback data” table.
Return Values
The reactor_object argument.
DWG reactor events |
|
---|---|
Event name |
Description |
:vlr-beginClose |
The drawing database is to be closed. |
:vlr-databaseConstructed |
A drawing database has been constructed. |
:vlr-databaseToBeDestroyed |
The contents of the drawing database are about to be deleted from memory. |
vlr-beginDwgOpen |
AutoCAD is about to open a drawing file. |
:vlr-endDwgOpen |
AutoCAD has ended the open operation. |
:vlr-dwgFileOpened |
A new drawing has been loaded into the AutoCAD window. |
vlr-beginSave |
AutoCAD is about to save the drawing file. |
vlr-saveComplete |
AutoCAD has saved the current drawing to disk. |
DWG reactor callback data |
||
---|---|---|
Name |
List length |
Parameters |
:vlr-beginClose :vlr-databaseConstructed :vlr-databaseToBeDestroyed |
0 |
|
:vlr-beginDwgOpen :vlr-endDwgOpen :vlr-dwgFileOpened |
1 |
A string identifying the file to open. |
:vlr-beginSave |
1 |
A string containing the default file name for save; may be changed by the user. |
:vlr-saveComplete |
1 |
A string containing the actual file name used for the save. |