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function keypressed = wgfcnkey 
% Help file for mex function wgfcnkey.dll 
%	WGFCNKEY.DLL is a mex file on Windows platform.  
%	wgfcnKey.dll traps pressing of function keys (F1, F2, ..., F12)  
%	in an MATLAB figure windowĄŁ  
%  
%	Usage: 
%	Use this function in the implementation of the KeyPressFcn function:  
%		keypressed = wgfcnkey 
%	Based on the returned value, you'll know whether a function  
%	key was pressed.  
%  
%	Input ---- None 
% 
%	Output ---- a scaler 
%				= 0, no function key was pressed 
%				= 1, F1 was pressed 
%				... 
%				= 12, F12 was pressed 
%				= 13, left Shift was pressed 
%				= 14, left Ctrl was pressed 
%				= 15, left Alt was pressed 
%				= 16, right Shift was pressed 
%				= 17, right Ctrl was pressed 
%				= 18, right Alt was pressed 
% 
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%