function varargout = c2fgui4(varargin)% C2FGUI4 Application M-file for c2fgui4.fig%    FIG = C2FGUI4 launch c2fgui4 GUI.%    C2FGUI4('callback_name', ...) invoke the named callback.% Last Modified by GUIDE v2.0 26-Sep-2001 13:48:38if nargin == 0  % LAUNCH GUI	fig = openfig(mfilename,'reuse');	% Use system color scheme for figure:	set(fig,'Color',get(0,'defaultUicontrolBackgroundColor'));	% Generate a structure of handles to pass to callbacks, and store it. 	handles = guihandles(fig);	guidata(fig, handles);	if nargout > 0		varargout{1} = fig;	endelseif ischar(varargin{1}) % INVOKE NAMED SUBFUNCTION OR CALLBACK	try		if (nargout)			[varargout{1:nargout}] = feval(varargin{:}); % FEVAL switchyard		else			feval(varargin{:}); % FEVAL switchyard		end	catch		disp(lasterr);	endend% --------------------------------------------------------------------function varargout = pushbutton1_Callback(h, eventdata, handles, varargin)zoom on% --------------------------------------------------------------------function varargout = pushbutton2_Callback(h, eventdata, handles, varargin)zoom xon% --------------------------------------------------------------------function varargout = pushbutton3_Callback(h, eventdata, handles, varargin)zoom yon% --------------------------------------------------------------------function varargout = pushbutton4_Callback(h, eventdata, handles, varargin)zoom off