Inconsistent Accessibility Parameter type is less accessible than method

Question

I m trying to pass an object  a reference to the currently logged on user  basically  between two forms   At the moment  I have something along these lines in the login form   private ACTInterface oActInterface   public void button1 Click object sender  EventArgs e                oActInterface   new ACTInterface     actserver Database Premier pad  this textUser Text this textPass Text            if  oActInterface checkLoggedIn                            user has authed against ACT  so we can carry on             clients oClientForm   new clients oActInterface               this Hide                oClientForm Show                      else      on the next form  clients   I have   public partial class clients   Form       private ACTInterface oActInt  get  set        public clients ACTInterface  oActInt       which results in me getting   Error   1   Inconsistent accessibility   parameter type  support ACTInterface  is less accessible than method      support clients clients support ACTInterface     c  work net backup support support clients cs   20  16  support   I don t really understand what the problem is - both fields are private  and accessed by the relevant public method from the form   Googling doesn t really help  as it just points towards one element being public and the other private  which isn t the case here   Anybody help

User · Accepted Answer

Constructor of public class clients is public but it has a parameter of type ACTInterface that is private  it is nested in a class    You can t do that  You need to make ACTInterface at least as accessible as clients

User · Answer

parameter type  support ACTInterface  is less accessible than method      support clients clients support ACTInterface      The error says  support ACTInterface  is less accessible because you have made the interface as private  at least make it internal or make it public

User · Answer

The problem doesn t seem to be with the variable but rather with the declaration of ACTInterface  Is ACTInterface declared as internal by any chance

User · Answer

When I received this error  I had a  helper  class that I did not declare as public that caused this issue inside of the class that used the  helper  class   Making the  helper  class public solved this error  as in   public ServiceClass       public ServiceClass HelperClass  helper             public class HelperClass       Note the public HelperClass that solved my issue   This may help someone else who encounters this

User · Answer

Make the class public    class NewClass        is the same as   internal class NewClass        so the class has to be public

User · Answer

If this error occurs when you want to use a classvariable in a new form  you should put the class definition in the     Formname Designer cs   instead of the Formname cs file

User · Answer

After updating my entity framework model  I found this error infecting several files in my solution  I simply right clicked on my  edmx file and my TT file and click  Run Custom Tool  and that had me right again after a restart of Visual Studio 2012

User · Answer

If sounds like the type ACTInterface is not public  but is using the default accessibility of either internal  if it is top-level  or private  if it is nested in another type    Giving the type the public modifier would fix it   Another approach is to make both the type and the method internal  if that is your intent   The issue is not the accessibility of the field  oActInterface   but rather of the type ACTInterface itself

User · Answer

You can get Parameter  class that have less accessibility  as object then convert it to your class by as keyword

User · Answer

What is the accessibility of the type support ACTInterface   The error suggests it is not public   You cannot expose a public method signature where some of the parameter types of the signature are not public   It wouldn t be possible to call the method from outside since the caller couldn t construct the parameters required   If you make support ACTInterface public that will remove this error   Alternatively reduce the accessibility of the form method if possible

User · Answer

Try making your constructor private like this   private Foo newClass   new Foo

[c#] Inconsistent Accessibility: Parameter type is less accessible than method

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