IfcDoc.CtlProperties.textBoxAttributeDerived_TextChanged C# (CSharp) Method

        private void textBoxAttributeDerived_TextChanged(object sender, EventArgs e)
        {
            if (this.m_loadall)
                return;

            DocAttribute docAttr = (DocAttribute)this.m_target;
            if (!String.IsNullOrEmpty(this.textBoxAttributeDerived.Text))
            {
                docAttr.Derived = this.textBoxAttributeDerived.Text;
            }
            else
            {
                docAttr.Derived = null;
            }
        }