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  • Tony Johansson
    #1

    about attribute

    Hello!

    I have one simple question about attribute.
    According to the documentation will GetCustomAttrib utes return all the
    custom attributes for this assembly
    public virtual Object[] GetCustomAttrib utes (bool inherit)

    I just wonder if I have attribute on classes or on method will these be
    included and returned when using
    this GetCustomAttrib utes

    //Tony


    Tags: None
    • Nicholas Paldino [.NET/C# MVP]
      #2
      Re: about attribute

      Tony,

      Yes, they will, of course, what is returned depends on what you pass for
      the inherit parameter.


      --
      - Nicholas Paldino [.NET/C# MVP]
      - mvp@spam.guard. caspershouse.co m

      "Tony Johansson" <johansson.ande rsson@telia.com wrote in message
      news:sB_Rk.3966 $U5.25974@newsb .telia.net...
      Hello!
      >
      I have one simple question about attribute.
      According to the documentation will GetCustomAttrib utes return all the
      custom attributes for this assembly
      public virtual Object[] GetCustomAttrib utes (bool inherit)
      >
      I just wonder if I have attribute on classes or on method will these be
      included and returned when using
      this GetCustomAttrib utes
      >
      //Tony
      >

        Comment

        • Tony Johansson
          #3
          Re: about attribute

          Hello!

          Here I have a simple example when I use this GetCustomAttrib utes but
          in this example GetCustomAttrib utes didn't returned the ObsoleteAttribu te
          that is used on the method
          Foo below.

          What is the reason that Obsolete was not returned ?


          class Program
          {
          static void Main(string[] args)
          {
          new Program().Foo() ;
          Assembly a =
          Assembly.LoadFr om(@"F:\C#\Cons oleApplication1 5\ConsoleApplic ation15\bin\Deb ug\ConsoleAppli cation15.exe");
          object[] attributes = a.GetCustomAttr ibutes(true);
          }

          [Obsolete("Just testing")]
          public void Foo()
          {}
          }


          //Tony


          "Nicholas Paldino [.NET/C# MVP]" <mvp@spam.guard .caspershouse.c omskrev i
          meddelandet news:eGMY7b2QJH A.4848@TK2MSFTN GP05.phx.gbl...
          Tony,
          >
          Yes, they will, of course, what is returned depends on what you pass
          for the inherit parameter.
          >
          >
          --
          - Nicholas Paldino [.NET/C# MVP]
          - mvp@spam.guard. caspershouse.co m
          >
          "Tony Johansson" <johansson.ande rsson@telia.com wrote in message
          news:sB_Rk.3966 $U5.25974@newsb .telia.net...
          >Hello!
          >>
          >I have one simple question about attribute.
          >According to the documentation will GetCustomAttrib utes return all the
          >custom attributes for this assembly
          >public virtual Object[] GetCustomAttrib utes (bool inherit)
          >>
          >I just wonder if I have attribute on classes or on method will these be
          >included and returned when using
          >this GetCustomAttrib utes
          >>
          >//Tony
          >>
          >
          >

            Comment

            • Nicholas Paldino [.NET/C# MVP]
              #4
              Re: about attribute

              You aren't seeing it because you are getting the custom attributes on
              the assembly, not on the method. If you want to get the attribute that is
              applied to the particular method, you have to get the MethodInfo instance
              and call GetCustomAttrib utes on that.


              --
              - Nicholas Paldino [.NET/C# MVP]
              - mvp@spam.guard. caspershouse.co m

              "Tony Johansson" <johansson.ande rsson@telia.com wrote in message
              news:iT%Rk.3967 $U5.25908@newsb .telia.net...
              Hello!
              >
              Here I have a simple example when I use this GetCustomAttrib utes but
              in this example GetCustomAttrib utes didn't returned the ObsoleteAttribu te
              that is used on the method
              Foo below.
              >
              What is the reason that Obsolete was not returned ?
              >
              >
              class Program
              {
              static void Main(string[] args)
              {
              new Program().Foo() ;
              Assembly a =
              Assembly.LoadFr om(@"F:\C#\Cons oleApplication1 5\ConsoleApplic ation15\bin\Deb ug\ConsoleAppli cation15.exe");
              object[] attributes = a.GetCustomAttr ibutes(true);
              }
              >
              [Obsolete("Just testing")]
              public void Foo()
              {}
              }
              >
              >
              //Tony
              >
              >
              "Nicholas Paldino [.NET/C# MVP]" <mvp@spam.guard .caspershouse.c omskrev i
              meddelandet news:eGMY7b2QJH A.4848@TK2MSFTN GP05.phx.gbl...
              >Tony,
              >>
              > Yes, they will, of course, what is returned depends on what you pass
              >for the inherit parameter.
              >>
              >>
              >--
              > - Nicholas Paldino [.NET/C# MVP]
              > - mvp@spam.guard. caspershouse.co m
              >>
              >"Tony Johansson" <johansson.ande rsson@telia.com wrote in message
              >news:sB_Rk.396 6$U5.25974@news b.telia.net...
              >>Hello!
              >>>
              >>I have one simple question about attribute.
              >>According to the documentation will GetCustomAttrib utes return all the
              >>custom attributes for this assembly
              >>public virtual Object[] GetCustomAttrib utes (bool inherit)
              >>>
              >>I just wonder if I have attribute on classes or on method will these be
              >>included and returned when using
              >>this GetCustomAttrib utes
              >>>
              >>//Tony
              >>>
              >>
              >>
              >
              >

                Comment

                • Tony Johansson
                  #5
                  Re: about attribute

                  Hello!

                  So what you are actually saying is that this use of GetCustomAttrib utes will
                  only
                  return the attributes for the assembly and not attribut for class and method
                  and so on.

                  static void Main(string[] args)
                  {
                  new Program().Foo() ;
                  Assembly a =
                  Assembly.LoadFr om(@"F:\C#\Cons oleApplication1 5\ConsoleApplic ation15\bin\Deb ug\ConsoleAppli cation15.exe");
                  object[] attributes = a.GetCustomAttr ibutes(true);
                  }



                  //Tony

                  "Nicholas Paldino [.NET/C# MVP]" <mvp@spam.guard .caspershouse.c omskrev i
                  meddelandet news:uc2PWt2QJH A.4760@TK2MSFTN GP02.phx.gbl...
                  You aren't seeing it because you are getting the custom attributes on
                  the assembly, not on the method. If you want to get the attribute that is
                  applied to the particular method, you have to get the MethodInfo instance
                  and call GetCustomAttrib utes on that.
                  >
                  >
                  --
                  - Nicholas Paldino [.NET/C# MVP]
                  - mvp@spam.guard. caspershouse.co m
                  >
                  "Tony Johansson" <johansson.ande rsson@telia.com wrote in message
                  news:iT%Rk.3967 $U5.25908@newsb .telia.net...
                  >Hello!
                  >>
                  >Here I have a simple example when I use this GetCustomAttrib utes but
                  >in this example GetCustomAttrib utes didn't returned the ObsoleteAttribu te
                  >that is used on the method
                  >Foo below.
                  >>
                  >What is the reason that Obsolete was not returned ?
                  >>
                  >>
                  >class Program
                  >{
                  > static void Main(string[] args)
                  > {
                  > new Program().Foo() ;
                  > Assembly a =
                  >Assembly.LoadF rom(@"F:\C#\Con soleApplication 15\ConsoleAppli cation15\bin\De bug\ConsoleAppl ication15.exe") ;
                  > object[] attributes = a.GetCustomAttr ibutes(true);
                  > }
                  >>
                  > [Obsolete("Just testing")]
                  > public void Foo()
                  > {}
                  >}
                  >>
                  >>
                  >//Tony
                  >>
                  >>
                  >"Nicholas Paldino [.NET/C# MVP]" <mvp@spam.guard .caspershouse.c omskrev
                  >i meddelandet news:eGMY7b2QJH A.4848@TK2MSFTN GP05.phx.gbl...
                  >>Tony,
                  >>>
                  >> Yes, they will, of course, what is returned depends on what you pass
                  >>for the inherit parameter.
                  >>>
                  >>>
                  >>--
                  >> - Nicholas Paldino [.NET/C# MVP]
                  >> - mvp@spam.guard. caspershouse.co m
                  >>>
                  >>"Tony Johansson" <johansson.ande rsson@telia.com wrote in message
                  >>news:sB_Rk.39 66$U5.25974@new sb.telia.net...
                  >>>Hello!
                  >>>>
                  >>>I have one simple question about attribute.
                  >>>According to the documentation will GetCustomAttrib utes return all the
                  >>>custom attributes for this assembly
                  >>>public virtual Object[] GetCustomAttrib utes (bool inherit)
                  >>>>
                  >>>I just wonder if I have attribute on classes or on method will these be
                  >>>included and returned when using
                  >>>this GetCustomAttrib utes
                  >>>>
                  >>>//Tony
                  >>>>
                  >>>
                  >>>
                  >>
                  >>
                  >
                  >

                    Comment

                    • Ignacio Machin ( .NET/ C# MVP )
                      #6
                      Re: about attribute

                      On Nov 10, 12:56 pm, "Tony Johansson" <johansson.ande rs...@telia.com >
                      wrote:
                      Hello!
                      >
                      I have one simple question about attribute.
                      According to the documentation will GetCustomAttrib utes return all the
                      custom attributes for this assembly
                      public virtual Object[] GetCustomAttrib utes (bool inherit)
                      >
                      I just wonder if I have attribute on classes or on method will these be
                      included and returned when using
                      this GetCustomAttrib utes
                      >
                      //Tony

                      I don;t think so. The docs says nothing about it.
                      You can always call the code for yourself and see what you get back :)

                        Comment

                        • Ignacio Machin ( .NET/ C# MVP )
                          #7
                          Re: about attribute

                          On Nov 10, 3:02 pm, "Tony Johansson" <johansson.ande rs...@telia.com >
                          wrote:
                          Hello!
                          >
                          So what you are actually saying is that this use of GetCustomAttrib utes will
                          only
                          return the attributes for the assembly and not attribut for class and method
                          and so on.
                          Correct, you are getting the attributes of the assembly only. Note
                          that the inherit is ignored (it's clearly stated in the docs)

                          You will have to iterate in the types defined and then use
                          Attribute.GetCu stomAttributes (Assembly, Type)

                            Comment

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