7.4 kCADEventIDCommand

kCADEventPhaseBefore

Pressing a button in the Tool palette, triggers a kCADEventPhaseBefore phase of the kCADEventIDCommand event. The action can be intercepted or applied to a modified scope of objects.

IO	Parameter	Type	Description
in	theCADArea	longint	Area ID
in	theEventID	longint	kCADEventIDCommand
in	theEventPhase	longint	kCADEventPhaseBefore
in	theEventData1	longint	Command ID, a command constant
in	theEventData2	longint	Target object scope of selected objects, not included objects with a relevant lock. You can add objects to or remove objects from this scope This will change the selection of objects on which the action will take place
in	theEventData3	longint	Object count in above scope
in	theEventData4	longint	0
in	theMouseX	real	Horizontal mouse coordinate in pixels
in	theMouseY	real	Vertical mouse coordinate in pixels
in	theEventValue1	real	0.0
in	theEventValue2	real	0.0
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 action has taken place. You can control a successive undo and its scope of objects.

IO	Parameter	Type	Description
in	theCADArea	longint	Area ID
in	theEventID	longint	kCADEventIDCommand
in	theEventPhase	longint	kCADEventPhaseAfter
in	theEventData1	longint	Command ID, a command constant
in	theEventData2	longint	Target object scope on which action was taken. 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 take place
in	theEventData3	longint	Object count in above scope
in	theEventData4	longint	0
in	theMouseX	real	Horizontal mouse coordinate in pixels
in	theMouseY	real	Vertical mouse coordinate in pixels
in	theEventValue1	real	0.0
in	theEventValue2	real	0.0
in	theKeyAsciiValue	integer	0
in	theModifiers	longint	0
in	theTickCount	longint	0
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.