How to know if field returned by Type.GetFields() is from base class?

I have some code that uses one base class and about 100 (yes, really!) derived classes.

I wish to put into the base class some code that will serialize/deserialize any derived class. To do this I use reflection and get fields and values one at a time.

The problem I am having is that I am getting the fields for my derived class and my base class all at once.

For instance:
public class BaseClass
{
public int base_var;
}

public class A : BaseClass
{
public string a_string;
}

....
A instance_of_A= new A();

Type type = instance_of_A.GetType();
FieldInfo [] fi = type.GetFields();

foreach(FieldInfo f in fi)
{
... here I see both base_var and a_string...
... I want to be able to filter out the stuff in my base class and just deal with a_string etc.
...Is there a flag in FieldInfo that gives me this information?
}

If I want *only* the base stuff I can use a BindingFlag for a filter. But that is not what I want.

Eric

I needed FieldInfo.DeclaringType.

Thank me very much ..

Quote:

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Originally Posted by RileyDeWiley

If I want *only* the base stuff I can use a BindingFlag for a filter. But that is not what I want.

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I wanted to suggest you exacly that but now I realize I don't actually understand what you are trying to do. can you explain it in another way?