Custom field default value

Questions
1

Hi There,
if i want to set default view to custom field , how do you do this.

for example for below code , how to enter default value

thanks

public class Textfield : FieldType

{





    public Textfield() {

        //Provider

        this.Id =newGuid("3F92E01B-29E2-4a30-BF33-9DF5580ED52C");

        this.Name = "Textfield";

        this.Description ="Renders a html input fieldKey";



        //FieldType

        this.Icon = "icon-autofill";

        this.DataType = FieldDataType.String;



        this.Category = "Simple";

        this.SortOrder = 10;

    }
This is a companion discussion topic for the original entry at https://our.umbraco.com/forum/87630-custom-field-default-value