%% Auslesen der Bildschirmgröße
scrsz = get(0,'ScreenSize');

%% Anlegen des Hauptfensters 
HauptFigure = figure('Position',[0.3*scrsz(3),0.3*scrsz(4),0.6*scrsz(3),0.6*scrsz(4)],...
                    'Units','normalized',...
                    'Resize','on',...
                    'MenuBar','none',...
                    'Name', 'Hauptfigure',...
                    'NumberTitle','off');
                
%% Anlegen des OK-Buttons                         
objects.OKbutton = uicontrol('parent', HauptFigure, ...
                     'style', 'pushbutton', ...
                     'FontName', 'Arial', ...
                     'FontSize', 10, ...
                     'string', 'OK', ...
                     'Units','normalized', ...
                     'Position', [.89,.01,.1,.07], ...
                     'Callback', {@OK_Fcn, HauptFigure}); 
                 
%% Speichern der Objektdaten
setappdata(HauptFigure, 'objects', objects);