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

        private void menuFile_Popup(object sender, EventArgs e)
        {
            // These menus require an MDIChild in order to work
            bool bEnable = this.MdiChildren.Length > 0 ? true : false;
            closeToolStripMenuItem.Enabled = bEnable;
            saveToolStripMenuItem.Enabled = bEnable;
            saveAsToolStripMenuItem.Enabled = bEnable;

            MDIChild mc = this.ActiveMdiChild as MDIChild;
            printToolStripMenuItem.Enabled = exportToolStripMenuItem.Enabled = (mc != null && mc.DesignTab == DesignTabs.Preview);

            // Recent File is enabled when there exists some files
            recentFilesToolStripMenuItem.Enabled = this._RecentFiles.Count <= 0 ? false : true;
        }