fyiReporting.RdlDesign.RdlDesigner.EnableEditTextBox C# (CSharp) Method

        private void EnableEditTextBox()
        {
            MDIChild mc = this.ActiveMdiChild as MDIChild;
            bool bEnable = false;

            if (this.ctlEditTextbox == null || mc == null ||
                mc.DesignTab != DesignTabs.Design || mc.DrawCtl.SelectedCount != 1)
            { }
            else
            {
                XmlNode tn = mc.DrawCtl.SelectedList[0] as XmlNode;
                if (tn != null && tn.Name == "Textbox")
                {
                    ctlEditTextbox.Text = mc.DrawCtl.GetElementValue(tn, "Value", "");
                    bEnable = true;
                }
            }
            if (ctlEditTextbox != null)
            {
                if (!bEnable)
                    ctlEditTextbox.Text = "";
                ctlEditTextbox.Enabled = bEnable;
                fxToolStripLabel1.Enabled = bEnable;
            }
        }