7.15 kCADEventIDObjCreate

kCADEventPhaseBefore

Clicking to start drawing a new object, triggers a kCADEventPhaseBefore phase of the kCADEventIDObjCreate event. The action can be intercepted.

IO	Parameter	Type	Description
in	theCADArea	longint	Area ID
in	theEventID	longint	kCADEventIDObjCreate
in	theEventPhase	longint	kCADEventPhaseBefore
in	theEventData1	longint	Current Layer or Sublayer ID
in	theEventData2	longint	Mode on the Mode palette (without the effect of modifiers keys), a mode constant
in	theEventData3	longint	kCADTrue if the mouse cursor is snapped, kCADFalse if not
in	theEventData4	longint	0
in	theMouseX	real	Mouse X-coordinate, optionally snapped
in	theMouseY	real	Mouse Y-coordinate, optionally snapped
in	theEventValue1	real	Unsnapped mouse X-coordinate
in	theEventValue2	real	Unsnapped mouse Y-coordinate
in	theKeyAsciiValue	integer	0
in	theModifiers	longint	Sum of pressed modifier keys, a mask of modifier key constants
in	theTickCount	longint	Tick count of the system software (a tick is a 1/60th of a second)
out	theEventResult	longint	Set to kCADEventResultDoFilter to filter out the event or to kCADEventResultDontFilter to let it pass.

kCADEventPhaseAfter

An kCADEventPhaseAfter phase is generated when the kCADEventPhaseBefore phase passed and the new object has been drawn. You can do any needed post-processing or you can replace the new object with something else.

IO	Parameter	Type	Description
in	theCADArea	longint	Area ID
in	theEventID	longint	kCADEventIDObjCreate
in	theEventPhase	longint	kCADEventPhaseAfter
in	theEventData1	longint	Object ID of the new object
in	theEventData2	longint	Type of the new object, a object type constant
in	theEventData3	longint	Target object scope of newly created objects. You can add objects to or remove objects from this scope. This will change the selection of objects on which a successive undo action will operate. This is useful if you are removing the new object, replacing it with something else
in	theEventData4	longint	0
in	theMouseX	real	0.0
in	theMouseY	real	0.0
in	theEventValue1	real	0.0
in	theEventValue2	real	0.0
in	theKeyAsciiValue	integer	0
in	theModifiers	longint	0
in	theTickCount	longint	Tick count of the system software (a tick is a 1/60th of a second)
out	theEventResult	longint	Set to kCADEventResultTriggerUndoRedo to trigger an undo and redo. Set to kCADEventResultTriggerUndoOnly to trigger an undo only. Set to kCADEventResultTriggerNone to trigger nothing.