| IO | Parameter | Type | Description
|
| in | theCADArea | longint | Area ID
|
| out | theObjKeysToCopy | longint | A mask of key mask constants
|
| out | theObjKeysToCompare | longint | A mask of key mask constants
|
| out | theBlockKeysToCopy | longint | A mask of key mask constants
|
| out | theBlockKeysToCompare | longint | A mask of key mask constants
|
| out | theLayerKeysToCopy | longint | A mask of key mask constants
|
| out | theLayerKeysToCompare | longint | A mask of key mask constants
|
| out | theSubLayerKeysToCopy | longint | A mask of key mask constants
|
| out | theSubLayerKeysToCompare | longint | A mask of key mask constants
|
| out | function result | OSErr | Error result code, also see Error handling
|