Optionalarg1: any
First argument that is passed from caller.
Optionalarg2: any
Second argument that is passed from caller.
Optionalarg3: any
Third argument that is passed from caller.
Optionalarg4: any
Fourth argument that is passed from caller.
Optionalarg5: any
Fifth argument that is passed from caller.
Optionalarg6: any
Sixth argument that is passed from caller.
Optionalarg7: any
Seventh argument that is passed from caller.
Optionalarg8: any
Eighth argument that is passed from caller.
Callback used by EventHandler functions. Note the callback is limited to 8 arguments.