[OpenLayers-Users] How to get get the WMS-layer's parameters

[yangzhaohui]

Hello dear sir,
   I have a question about Openlayers.In order to make a print image demo,I want to know how to get the WMS parameters(like name,url,param,option) of a wmslayer in a running Openlayers application.So that I can open a new window with those parameters to print the current image.Thank you very much! Best wishes for your! 
                                                        Sincerely yours,
                                                              Yang                                                                                                                       
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