[疑问] - 急！关于matlab OPC模块的用法
<P>请高手指点！<BR>在使用matlab,simulink library browser 中的OPC模块时，显示localhost/rslinx remote opc server 已经连接（connected）,但是在添加 Item 时出现如下错误：</P><P><FONT color=#ee1111>“??? Attempt to reference field of non-structure array.</FONT></P>
<P><FONT color=#ee1111>Error in ==> D:\Program Files\MATLB71\toolbox\opc\opcblks\opcmasks\additemdlg.p>dlgAddItem_ResizeFcn at 315</FONT></P>
<P><BR><FONT color=#ee1111>Error in ==> gui_mainfcn at 75<BR>feval(varargin{:});</FONT></P>
<P><FONT color=#ee1111>Error in ==> D:\Program Files\MATLB71\toolbox\opc\opcblks\opcmasks\additemdlg.p>additemdlg at 33</FONT></P>
<P><BR><FONT color=#ee1111>??? Error using ==> set<BR>Error while evaluating figure ResizeFcn.</FONT></P>
<P><FONT color=#ee1111>??? StartItemID is not a branch in the server namespace.”</FONT></P>
<P><BR>如何解决???<BR></P>
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