private void btnGetTableInfo_Click(object sender, RibbonControlEventArgs e) { if (_GetTableMetaPane == null) { _GetTableMetaControl = new GetTableMetaControl(); _GetTableMetaPane = Globals.ThisAddIn.CustomTaskPanes.Add(_GetTableMetaControl, "读取SAP表元数据"); _GetTableMetaPane.VisibleChanged += new EventHandler(getTaBleMetaPane_VisibleChanged); _GetTableMetaPane.Visible = true; _GetTableMetaPane.Width = 300; } else { _GetTableMetaPane.Visible = ((RibbonToggleButton)sender).Checked; } }