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

        private void RdlDesigner_MdiChildActivate(object sender, EventArgs e)
        {
            if (this._ValidateRdl != null)		// don't keep the validation open when window changes
                this._ValidateRdl.Close();

            DesignTabChanged(sender, e);
            SelectionChanged(sender, e);
            MDIChild mc = this.ActiveMdiChild as MDIChild;
            if (mc == null)
                return;
            mc.SetFocus();
            if (mc.Tab != null)
                mainTC.SelectTab(mc.Tab);
        }