ui/src/main/java/ucar/util/prefs/ui/PrefPanel.java
public void setFieldValue(String name, Object value) {
    Field fld = getField(name);
    if (fld == null) throw new IllegalArgumentException("no field named "+name);
    fld.setValue(value);
  }
public void setFieldValue(String name, Object value) {
    Field fld = getField(name);
    if (fld == null) throw new IllegalArgumentException("no field named "+name);
    fld.setValue(value);
  }
Set the current value of the named field
@param name of field
@param value of field