DISTRACTED BY A CHATTY RIGHT SEAT PAX; PLT OF BE35 RAISES GEAR INSTEAD OF FLAPS DURING LANDING ROLLOUT.

Narrative

ENTERED HIGH R BASE FOR FINAL (NO TFC); TOLD FRONT PAX (ONLY PAX) TO STOP TALKING; PULLED NOSE UP TO SLOW DOWN FOR GEAR DOWN; CONFIRMED GEAR DOWN. TOLD FRONT PAX FOR SECOND TIME TO BE QUIET DUE TO DISTR. ENTERED HIGH FINAL APCH AND PUT FLAPS DOWN 20 DEGS. TRIMMED FOR DSCNT TO THRESHOLD. FRONT PAX CONTINUED SPEAKING TO ME. TOLD FOR 3RD TIME TO BE QUIET DUE TO DISTR. LANDED AND BEGAN ROLLOUT WITHOUT BRAKING DUE TO LONG RWY AVAILABLE. WHILE ROLLING TO TURN PLANE; FRONT PAX BEGAN SPEAKING AGAIN. I ATTEMPTING TO IGNORE DISTR AND BEGAN COCKPIT CLEANUP. INSTEAD OF PULLING UP SWITCH FOR FLAP RETRACTION; I MISTOOK THE GEAR SWITCH FOR THE FLAP SWITCH AND PULLED UP SWITCH FOR GEAR RETRACTION. PLANE FELL ON BELLY AND CONTINUED FORWARD ON TARMAC ONTO GRASS. IMMEDIATELY SWITCHED ALL PWR OFF AND TOLD PAX TO LEAVE ACFT WITH ME. AFTER A FEW MINS OF OBSERVATION; EMPTIED PLANE OF VALUABLES AND RAISED ACFT WITH FRIEND'S HELP. DROPPED GEAR AND TOWED TO HANGAR. I THINK THE MAJOR CAUSE IS DISTR FROM NORMAL PROCS.