c# - VB.NET, make a function with return type generic? -

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currently have written function deserialize xml seen below. how change don't have replace type every time want serialize object type ? current object type ctoolconfig. how make function generic ?

       public shared function deserializefromxml(byref strfilenameandpath string) xmlhandler.xmlserialization.ctoolconfig         dim deserializer new system.xml.serialization.xmlserializer(gettype(ctoolconfig))         dim srencodingreader io.streamreader = new io.streamreader(strfilenameandpath, system.text.encoding.utf8)         dim thisfacility ctoolconfig          thisfacility = directcast(deserializer.deserialize(srencodingreader), ctoolconfig)         srencodingreader.close()         srencodingreader.dispose()          return thisfacility     end function       public shared function deserializefromxml1(byref strfilenameandpath string) system.collections.generic.list(of xmlhandler.xmlserialization.ctoolconfig)         dim deserializer new system.xml.serialization.xmlserializer(gettype(system.collections.generic.list(of ctoolconfig)))         dim srencodingreader io.streamreader = new io.streamreader(strfilenameandpath, system.text.encoding.utf8)         dim facilitylist system.collections.generic.list(of ctoolconfig)         facilitylist = directcast(deserializer.deserialize(srencodingreader), system.collections.generic.list(of ctoolconfig))         srencodingreader.close()         srencodingreader.dispose()          return facilitylist     end function

is mean?

public shared function deserializefromxml(of t)(byref strfilenameandpath string) t     dim deserializer new system.xml.serialization.xmlserializer(gettype(t))     dim srencodingreader io.streamreader = new io.streamreader(strfilenameandpath, system.text.encoding.utf8)     dim thisfacility t      thisfacility = directcast(deserializer.deserialize(srencodingreader), t)     srencodingreader.close()     srencodingreader.dispose()      return thisfacility end function   public shared function deserializefromxml1(of t)(byref strfilenameandpath string) system.collections.generic.list(of t)     dim deserializer new system.xml.serialization.xmlserializer(gettype(system.collections.generic.list(of t)))     dim srencodingreader io.streamreader = new io.streamreader(strfilenameandpath, system.text.encoding.utf8)     dim facilitylist system.collections.generic.list(of t)     facilitylist = directcast(deserializer.deserialize(srencodingreader), system.collections.generic.list(of t))     srencodingreader.close()     srencodingreader.dispose()      return facilitylist end function

note can put constraints on t, such as:

public shared function deserializefromxml(of t class)

and put multiple constraints, such as:

public shared function deserializefromxml(of t {class, new, idisposable})

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