RETURNS THE NUMBER OF THE LAST CHANGED OBJECT
ACTION
The system variable NUMBER_CHANGE returns the number of the last changed object and -1 if no object is changed (initialization).
SYNTAX:
NUMBER_CHANGE in an expression
USE ERROR EXAMPLE
print number_change
NUMBER_CHANGE
NUMBER_CHANGE
SEE ALSO
NUMBER_CLICK
NUMBER_KEY_UP
NUMBER_KEY_DOWN
OFF_CHANGE
OFF_CLICK
OFF_KEY_DOWN
OFF_KEY_UP
ON_CHANGE
ON_CLICK
ON_KEY_DOWN
ON_KEY_UP