RETURNS THE SYSTEM OBJECT NUMBER WHICH IS THE INPUT "SOURCE"
ACTION
The system variable NUMBER_INPUT_SOURCE returns the system object number which is the input "source".
SYNTAX:
NUMBER_INPUT_SOURCE in an expression
USE ERROR EXAMPLE
form 10 : rem create a FORM
left 10,100 : rem place it at 100 pixels from left edge
wait 1000 : rem wait for 1 second
print number_input_source : rem 0 is printed
input_source_is 10 : rem the FORM is the input source
print number_input_source : rem 10 is printed
NUMBER_INPUT_SOURCE
NUMBER_INPUT_SOURCE
SEE ALSO
INPUT_SOURCE_IS