internal struct DbData
{
public int colSize;
public bool disp;

public DbData(int size, bool display)
{ this.colSize = size; this.disp = display; }
public void setDisp(bool val)
{ this.disp = val; }
}
internal Dictionary<String, DbData> datas;
this.datas[((ToolStripMenuItem)sender).Name].disp