c# - Rename existing method returning void with input arguments -

maybe silly, i'm trying shorten calling of method streamwriter.writeline becasue have call many times throughout code. so, instead of calling myfile.writeline() write myfile.wl().

is possible?

after searching solution wrote this:

private static void wl(this streamwriter myfile, params string mystring) {     return (void)myfile.writeline(mystring); } 

but error

cannot convert type 'void' 'void'

any ideas?

your extension method should be

private static void wl(this streamwriter myfile, params string mystring) {     myfile.writeline(mystring); } 

reasons:

• writelinemethod of streamwriter not return i.e. void. , quote writes string followed line terminator text string or stream. should remove return keyword method. read here.
  

btw, extension method should public if want use outside of class define in.