function holder(flag); if nargin == 0 % Create the Hold Off pushbutton HoldOnButton = uicontrol(... 'Style','Pushbutton',... 'Position',[0 .07 .1 .05],... 'Units','normalized',... 'String','hold off',... 'Callback','holder(1)'); % Create the Hold On pushbutton HoldOffButton = uicontrol(... 'Style','Pushbutton',... 'Position',[0 .12 .1 .05],... 'Units','normalized',... 'String','hold on',... 'Callback','holder(2)'); elseif nargin == 1 if flag == 1 hold off elseif flag == 2 hold on end end