Control [HALCON Operator Reference / Version 17.12]

Control

List of Operators

assign: Assign a new value to a variable.

assign_at: Assignment of one or several values to one or several tuple elements.

break: Terminate loop execution or leave a switchswitchSwitchSwitchSwitch block.

case: Jump label that starts a branch within a switchswitchSwitchSwitchSwitch block.

catch: Catches exceptions that were thrown in the preceding trytryTryTryTry block.

comment: Add a comment of one line to the program.

continue: Skip the current loop execution.

convert_tuple_to_vector_1d: Distribute the elements of a tuple to a vector.

convert_vector_to_tuple: Concatenate the elements of a vector to a single tuple.

default: Alternative branch in a switchswitchSwitchSwitchSwitch block.

else: Alternative of conditional statement.

elseif: Conditional statement with alternative.

endfor: End statement of a for loop.

endif: End of if command.

endswitch: Ends a multiway branch block.

endtry: Ends a block where exceptions are handled.

endwhile: End statement of a while loop.

executable_expression: Execute a stand-alone operation.

exit: Terminate HDevelop.

export_def: Insert arbitrary text into the export code of a procedure.

for: Starts a loop block that is usually executed for a fixed number of iterations.

global: Declare a global variable.

if: Conditional statement.

import: Import one or more external procedures.

insert: Assignment of a value to a tuple element.

par_join: Wait for subthreads that were started with the par_start qualifier.

repeat: Start statement of a repeat..until loop.

return: Terminate procedure call.

stop: Stop program execution.

switch: Starts a multiway branch block.

throw: Throws a user-defined exception or rethrows a caught exception.

try: Starts a program block where exceptions are detected and caught.

until: Continue to execute the body as long as the condition is not true.

while: Starts a loop block that is executed as long as the condition is true.