IfcDoc.CtlProperties.checkBoxXsdTagless_CheckedChanged C# (CSharp) Method

        private void checkBoxXsdTagless_CheckedChanged(object sender, EventArgs e)
        {
            DocAttribute docAttr = (DocAttribute)this.m_target;
            switch(this.checkBoxXsdTagless.CheckState)
            {
                case CheckState.Checked:
                    docAttr.XsdTagless = true;
                    break;

                case CheckState.Unchecked:
                    docAttr.XsdTagless = false;
                    break;

                case CheckState.Indeterminate:
                    docAttr.XsdTagless = null;
                    break;
            }
        }