%collect screen information
scrsz=get(0,'screensize');
%set a firgure window
fig=figure;
set(fig,'Position',[scrsz(3)/2 (scrsz(4)/2-225) 357 288],'Name','Help for Unit Conversion 1.0','windowstyle','modal');
set(gcf,'menubar','none','numbertitle','off','resize','off','color',[0.925 0.914 0.847]);
%set an information text
uicontrol(gcf,'style','text','position',[15 5 328 278],...
'backgroundcolor',[0.925 0.914 0.847],'foregroundcolor',[0 0 1],...
'string',...
{' How to use this Unit Conversion Software'...
'_______________________________________________'...
' There are four parts in the Graphic User Interface:'...
' 1. An long narrow object of edit style for data input.'...
' 2. The listbox on the most leftside is used for choose of unit field.'...
' 3. The listbox in the middle is used for choose of original unit.'...
' 4. the listbox on the right is to display the conversion result.'...
' 5. You can save all conversion results into an excel file by right click in the right list or from the File menu.'...
' 6. Furthermore, you can change the color of characters and background in all the three listboxes by right click.'...
},'fontsize',10,'horizontalalignment','left');
% %SET an OK pushbutton
% uicontrol(gcf,'style','pushbutton','position',[290 8 60 28],...
% 'string','OK','fontname','MS Sans Serif','fontsize',11,...
% 'foregroundcolor',[0 0 1],'horizontalalignment','center',...
% 'backgroundcolor',[0.925 0.914 0.847],'callback','close');