c# - Add attribute to method without modifying the code file containing the method? -

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is there way add attribute method without modifying class file?

e.g. i'm importing wsdl generates reference.cs containing proxy class methods.

i have written attribute work me , adding method below, , works fine:

reference.cs file

public partial class whatever {     [mycustomattrubute()]     public void mymethod(string bleh)     {         // stuff         return;     } }

however, problem if wsdl changes need update it, automatically lose changes reference.cs. can add attribute method file?

if other method string, can not concatenate other method this? in other words when call mymethod(string bleh), pass 2 strings concatenated it.

for example: mymethod(string1 + "|" + string2);

this pass 2 parameters concatenated pipe, in method can use

string[] vals = val.split('|');

which give array of parameters passed. way pass more 2 parameters through.

then parameters as:

sting para1 = vals[0]; sting para2 = vals[1];


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