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  3. Regions: Love or Hate

Regions: Love or Hate

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  • D Dave Kerr

    I used to love regions, stuck them everywhere in my code. Now I hate them, each member of our team uses them differently. What's the public opinion - are regions good or bad? Would they be better if they were REALLY big in Visual Studio? I find that I'm squinting to find the little buggers, if they were much more obvious I might get lost less...

    G Offline
    G Offline
    GlobX
    wrote on last edited by
    #80

    I LOVE regions. If I really think about it though, it's more a side-effect of the regions than the regions themselves. I usually have a few main regions in my classes: private members, properties, constructors, methods, static methods etc. This has the wonderful direct effect of when I open one of my classes and I want to find property blah, I can pop open the properties region and it's there (I know I can use the drop-downs at the top of the code window but that's no fun!). It also has the, arguably, more useful side-effect of keeping all like-things together, so that when new people look at the code, it's much harder for them to put new properties at the bottom of the file instead of with the other properties. My logic here is, let's face it, most of us coders are "OCD" in the sense that we like order and symmetry and things like that, so putting a property outside of the properties region that's already defined makes you feel 'icky' and you want to move it. That's my 37 cents anyway...


    Typical n-tiered architecture: DB <-> Junk(0) <-> ... <-> Junk(n-1) <-> Pretty

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    • D Dave Kerr

      I used to love regions, stuck them everywhere in my code. Now I hate them, each member of our team uses them differently. What's the public opinion - are regions good or bad? Would they be better if they were REALLY big in Visual Studio? I find that I'm squinting to find the little buggers, if they were much more obvious I might get lost less...

      J Offline
      J Offline
      JamesHurst
      wrote on last edited by
      #81

      I really love that feature. That said, yes they need to be used sensibly to avoid getting ugly. Regions are a great tool for organizing your code, such that when you bring up a file you are looking at a small number of regions, which - ideally - are marked so as to direct you quickly to exactly where want to go. It's a topic that a dev team needs to discuss and settle upon standard practices for, early on. IMO

      James Hurst "The greatness of a nation and its moral progress can be judged by the way its animals are treated."
      Mahatma Gandhi

      1 Reply Last reply
      0
      • G GlobX

        I LOVE regions. If I really think about it though, it's more a side-effect of the regions than the regions themselves. I usually have a few main regions in my classes: private members, properties, constructors, methods, static methods etc. This has the wonderful direct effect of when I open one of my classes and I want to find property blah, I can pop open the properties region and it's there (I know I can use the drop-downs at the top of the code window but that's no fun!). It also has the, arguably, more useful side-effect of keeping all like-things together, so that when new people look at the code, it's much harder for them to put new properties at the bottom of the file instead of with the other properties. My logic here is, let's face it, most of us coders are "OCD" in the sense that we like order and symmetry and things like that, so putting a property outside of the properties region that's already defined makes you feel 'icky' and you want to move it. That's my 37 cents anyway...


        Typical n-tiered architecture: DB <-> Junk(0) <-> ... <-> Junk(n-1) <-> Pretty

        J Offline
        J Offline
        JamesHurst
        wrote on last edited by
        #82

        I agree 100% - but you expressed it much better than I.

        James Hurst "The greatness of a nation and its moral progress can be judged by the way its animals are treated."
        Mahatma Gandhi

        1 Reply Last reply
        0
        • S spencepk

          This is what I call abuse/overuse. It makes my eyes roll back in my head when I see this crap, comments would've been more than sufficient.

                  foreach (DataRow currentRow in sortedTable.Table.Rows) {
                      #region Load Data and set defaults
                      creditCardNumber = currentRow\["CCNUMBER"\].ToString();
                      cardHolder = currentRow\["CARDHOLDER"\].ToString();
                      employeeId = currentRow\["EMPLCODE"\].ToString();
                      deptNumber = currentRow\["DEPTCODE"\].ToString();
                      accountNumber = currentRow\["GLCODE"\].ToString();
                      expElemNumber = currentRow\["EXPELEM"\].ToString();
                      fullRecord = currentRow\["FULLRECORD"\].ToString();
                      isValidDept = true;
                      isValidAcct = true;
                      #endregion
                      #region If Company Credit Card, don't process
                      if (creditCardNumber == companyCard) {
                          Trace.WriteLineIf(tron, "\[VERIFICATION\] Skipping Company Credit Card... ");
                          continue;
                      }
                      else {
                          this.statusReport.Text = "Verifying " + creditCardNumber + "...";
                          this.rtbStatus.Text += "Verifying " + creditCardNumber + " \[" + cardHolder.Trim() + "\]...\\t";
                          Trace.WriteLineIf(tron, "\[VERIFICATION\] Verifying Credit Card # : " + creditCardNumber);
                          email\_er.Write("Credit Card Number: " + creditCardNumber + " for Card Holder: " + cardHolder.Trim() + "...");
                      }
                      #endregion
                      #region Address Employee #, Dept #, Account #, and Expense Element
                      if (employeeId.Trim().Length != 4) {
                          employeeId = employeeId.PadLeft(4, '0');
                      }
                      if (deptNumber.Trim().Length != 4) {
                          deptNumber = deptNumber.PadLeft(4, '0');
                      }
                      if (accountNumber.Trim().Length != 7) {
                          accountNumber = accountNumber.PadLeft(7, '0');
                      }
                      if (expElemNumber.Trim().Length != 2) {
                          expElemNumber = expElemNumber.PadLeft(2, '0');
                      }
                      #endregion
                      #region Verify Deptartment Number from BoA File
                      try {
                          isValidDept = query.isValidDepartment(deptNumber);
                          if (!isValidDept) Trace.WriteLineIf(tron, "\[VERIFICATION\] Bank of America Department is in
          
          K Offline
          K Offline
          Kirk Wood
          wrote on last edited by
          #83

          I knew there was trouble in the second line of code. If a region doesn't look totally out of place in a given method, you are doing it wrong. Refactor to use another method that represents the region. Aside from that, I do personally like regions inside classes to group a few things together (such as the properties).

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          • N NormDroid

            I initially thought they where a good idea, now I don't bother with them. I suppose the only place they are good for is Microsoft Generated Code from the IDE etc.

            Software Kinetics Wear a hard hat it's under construction
            Metro RSS

            K Offline
            K Offline
            Kirk Wood
            wrote on last edited by
            #84

            Norm .net wrote:

            I suppose the only place they are good for is Microsoft Generated Code from the IDE etc.

            That is the point of partial classes. The generated code goes into another file altogether and stays out of the way.

            1 Reply Last reply
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            • OriginalGriffO OriginalGriff

              Slacker007 wrote:

              your team needs to ALL be on the same sheet of music

              Oh yes! Nothing worse than one idiot individual who insists on K&R bracket format when everyone else has got an IQ bigger than their shoe size moved on to a more readable style.

              Real men don't use instructions. They are only the manufacturers opinion on how to put the thing together. Manfred R. Bihy: "Looks as if OP is learning resistant."

              K Offline
              K Offline
              Kirk Wood
              wrote on last edited by
              #85

              That is easily rectified. Hit CTRL-K, D (holding the control key between the K and the D). This will reformat code to however you have Visual Studio setup (or the default if you haven't messed with the settings).

              OriginalGriffO 1 Reply Last reply
              0
              • D Dave Kerr

                I used to love regions, stuck them everywhere in my code. Now I hate them, each member of our team uses them differently. What's the public opinion - are regions good or bad? Would they be better if they were REALLY big in Visual Studio? I find that I'm squinting to find the little buggers, if they were much more obvious I might get lost less...

                A Offline
                A Offline
                Ahmedn1
                wrote on last edited by
                #86

                Regions are very useful for readability

                1 Reply Last reply
                0
                • K KSig

                  Place the public stuff first. That is where the story of your class starts

                  OriginalGriffO Offline
                  OriginalGriffO Offline
                  OriginalGriff
                  wrote on last edited by
                  #87

                  I see what you mean, but I don't think that way - I tend to think more from an class-centric basis, and let the class diagram and XML comments handle the external story. It's an interesting idea though!

                  Real men don't use instructions. They are only the manufacturers opinion on how to put the thing together. Manfred R. Bihy: "Looks as if OP is learning resistant."

                  "I have no idea what I did, but I'm taking full credit for it." - ThisOldTony
                  "Common sense is so rare these days, it should be classified as a super power" - Random T-shirt

                  1 Reply Last reply
                  0
                  • K Kirk Wood

                    That is easily rectified. Hit CTRL-K, D (holding the control key between the K and the D). This will reformat code to however you have Visual Studio setup (or the default if you haven't messed with the settings).

                    OriginalGriffO Offline
                    OriginalGriffO Offline
                    OriginalGriff
                    wrote on last edited by
                    #88

                    And completely bollox up the version control...

                    Real men don't use instructions. They are only the manufacturers opinion on how to put the thing together. Manfred R. Bihy: "Looks as if OP is learning resistant."

                    "I have no idea what I did, but I'm taking full credit for it." - ThisOldTony
                    "Common sense is so rare these days, it should be classified as a super power" - Random T-shirt

                    1 Reply Last reply
                    0
                    • S spencepk

                      This is what I call abuse/overuse. It makes my eyes roll back in my head when I see this crap, comments would've been more than sufficient.

                              foreach (DataRow currentRow in sortedTable.Table.Rows) {
                                  #region Load Data and set defaults
                                  creditCardNumber = currentRow\["CCNUMBER"\].ToString();
                                  cardHolder = currentRow\["CARDHOLDER"\].ToString();
                                  employeeId = currentRow\["EMPLCODE"\].ToString();
                                  deptNumber = currentRow\["DEPTCODE"\].ToString();
                                  accountNumber = currentRow\["GLCODE"\].ToString();
                                  expElemNumber = currentRow\["EXPELEM"\].ToString();
                                  fullRecord = currentRow\["FULLRECORD"\].ToString();
                                  isValidDept = true;
                                  isValidAcct = true;
                                  #endregion
                                  #region If Company Credit Card, don't process
                                  if (creditCardNumber == companyCard) {
                                      Trace.WriteLineIf(tron, "\[VERIFICATION\] Skipping Company Credit Card... ");
                                      continue;
                                  }
                                  else {
                                      this.statusReport.Text = "Verifying " + creditCardNumber + "...";
                                      this.rtbStatus.Text += "Verifying " + creditCardNumber + " \[" + cardHolder.Trim() + "\]...\\t";
                                      Trace.WriteLineIf(tron, "\[VERIFICATION\] Verifying Credit Card # : " + creditCardNumber);
                                      email\_er.Write("Credit Card Number: " + creditCardNumber + " for Card Holder: " + cardHolder.Trim() + "...");
                                  }
                                  #endregion
                                  #region Address Employee #, Dept #, Account #, and Expense Element
                                  if (employeeId.Trim().Length != 4) {
                                      employeeId = employeeId.PadLeft(4, '0');
                                  }
                                  if (deptNumber.Trim().Length != 4) {
                                      deptNumber = deptNumber.PadLeft(4, '0');
                                  }
                                  if (accountNumber.Trim().Length != 7) {
                                      accountNumber = accountNumber.PadLeft(7, '0');
                                  }
                                  if (expElemNumber.Trim().Length != 2) {
                                      expElemNumber = expElemNumber.PadLeft(2, '0');
                                  }
                                  #endregion
                                  #region Verify Deptartment Number from BoA File
                                  try {
                                      isValidDept = query.isValidDepartment(deptNumber);
                                      if (!isValidDept) Trace.WriteLineIf(tron, "\[VERIFICATION\] Bank of America Department is in
                      
                      K Offline
                      K Offline
                      kevinpelgrims
                      wrote on last edited by
                      #89

                      The regions in there are completely ridiculous, but even comments couldn't have saved that code! A foreach with 150 lines including try-catches all over the place :wtf: That is just crappy coding. It should've been split up in multiple methods, with some decent naming, and then even comments would become unnecessary. A region could be used to surround all those new methods, cause that's what regions are for ;-)

                      S 1 Reply Last reply
                      0
                      • D Dave Kerr

                        I used to love regions, stuck them everywhere in my code. Now I hate them, each member of our team uses them differently. What's the public opinion - are regions good or bad? Would they be better if they were REALLY big in Visual Studio? I find that I'm squinting to find the little buggers, if they were much more obvious I might get lost less...

                        M Offline
                        M Offline
                        matt314hew 0
                        wrote on last edited by
                        #90

                        I didn't start using regions until I started at a new job. Now most of us here use them in a way that it makes sense and they aren't overused. We set up regions for the variables, constructors, functions, subs, and specific groups of sections/subs that are used for specific tasks in our code.

                        1 Reply Last reply
                        0
                        • K kevinpelgrims

                          The regions in there are completely ridiculous, but even comments couldn't have saved that code! A foreach with 150 lines including try-catches all over the place :wtf: That is just crappy coding. It should've been split up in multiple methods, with some decent naming, and then even comments would become unnecessary. A region could be used to surround all those new methods, cause that's what regions are for ;-)

                          S Offline
                          S Offline
                          spencepk
                          wrote on last edited by
                          #91

                          I couldn't agree more, but I didn't write it.

                          1 Reply Last reply
                          0
                          • D Dave Kerr

                            I used to love regions, stuck them everywhere in my code. Now I hate them, each member of our team uses them differently. What's the public opinion - are regions good or bad? Would they be better if they were REALLY big in Visual Studio? I find that I'm squinting to find the little buggers, if they were much more obvious I might get lost less...

                            W Offline
                            W Offline
                            wbaxter37
                            wrote on last edited by
                            #92

                            I've only used regions for assignment code in blocks and for properties in classes. Now I create a separate file for properties (calling properties for ClassName something obscure like ClassNameProperties). Generally if a file gets too large to navigate through I split it up. Guess I'm still used to Hercules or smaller display drivers and small text editors on 128kB machines. Or else I just can't fit much more into my little brain. I do make good use of the XML comments. Saves a lot of time remembering what sort of perversion I wrote last week.

                            1 Reply Last reply
                            0
                            • K Kirk Wood

                              I knew there was trouble in the second line of code. If a region doesn't look totally out of place in a given method, you are doing it wrong. Refactor to use another method that represents the region. Aside from that, I do personally like regions inside classes to group a few things together (such as the properties).

                              R Offline
                              R Offline
                              Ryan Gamal
                              wrote on last edited by
                              #93

                              I agree, I only use regions to group the logical blocks of items inside of a class. I.e Private fields, properties, ctor, methods. This is especially useful inside a large class with multiple properties + methods. You should never use regions inside a method, and many refactoring tools such as Stylecop and ReSharper, actually prevent it.

                              1 Reply Last reply
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