Read the state of a control service

Read the state of a control service

Usage

at_control_state(handle, call = rlang::caller_env())

Arguments

handle

An at_control_handle.

call

The calling environment, for error reporting.

Value

The state snapshot (a list) with state_revision, event_cursor, queue, current (image, layers, ROI summaries, annotation revision), view, selection, staged, last_commit and status fields.

See also

Other control: at_control_capabilities(), at_control_close(), at_control_command(), at_control_connect(), at_control_events(), at_control_request_status(), at_control_start(), at_control_stop()