Inheritance with a constructor that takes arguments problem

[aewarnick]

class Inherit : c1
{
  Inherit(){} // calls c1() constructor but not c1(string argument)
//which messes things up.
//How would I call the constructor with an argument in the base class?
}


class c1 : UserControl
{
  public c1(){}
  public c1(string argument)
  {
    // argument is used here and is important!
  }
}

 

[Bucky]

Instead of doing the initialization inside the constructor of the
base class, create a protected or public method in the base
class that does the initialization, and then you can call it in both
the regular constructor and the inheritor's constructor.

class Inherit : c1
{
  Inherit()
  {
    base.InitClass("whatever");
  }
}


class c1 : UserControl
{
  public c1(){}
  public c1(string argument)
  {
    InitClass(argument);
  }
  
  protected void InitClass(string argument)
  {
    // Initialize the class with the argument in this sub
  }
}

Does this solve your problem?

 

[aewarnick]

Yes, that will solve my problem. Thanks.

 

[_SBradley_]

The "correct" way to do what you're after is this:

[CS]
class Inherit : c1
{
Inherit() : base("whatever")
{
}
}


class c1 : UserControl
{
public c1() { }

public c1(string argument)
{
// Initialize the class with the argument in this sub
}
}
[/CS]

 

[aewarnick]

Thanks. Never saw that before. I'll try it out.

 

[_SBradley_]

It's pretty much the same thing as

[CS]
class Inherit extends c1
{
Inherit()
{
super("whatever");
}
}
[/CS]

in Java. Only nicer.