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

        private void menuView_Popup(object sender, EventArgs e)
        {
            MDIChild mc = this.ActiveMdiChild as MDIChild;
            bool bEnable = mc != null;

            designerToolStripMenuItem.Enabled = rDLTextToolStripMenuItem.Enabled =
                previewToolStripMenuItem.Enabled = bEnable;

            propertiesWindowsToolStripMenuItem.Enabled = bEnable && mc.DesignTab == DesignTabs.Design;
        }