| IO | Parameter | Type | Description
|
| in | theCADArea | longint | Area ID
|
| in | theOptionalObjScopeToSkip | longint | kCADScopeSelectedObjects,
kCADScopeAllObjects,
kCADScopeObjOnEditableLayers,
a Layer ID,
a Sublayer ID,
a programmer scope ID
or an Object ID
|
| in | theMouseX | real |
|
| in | theMouseY | real |
|
| out | theSnapX | real |
|
| out | theSnapY | real |
|
| out | theSnapType | integer | A snap type constant
|
| out | theSnapGripIndex | longint |
|
| out | theSnapObjID | longint |
|
| out | function result | OSErr | Error result code, also see Error handling
|