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