 
    Purge Lottery
     
    Overview 
    This function will delete older drawings from the current selected lottery
    where the drawings exceed the current parameters for that lottery. For
    example, if a lottery changed its drawing matrix from 1 to 59 to 1 to 55,
    this function will delete any drawings which contain numbers higher than
    what is allowed.
     How to Invoke 
    Use the menu item  "Lottery Data > Purge Lottery..." .
     Basic Procedure 
    
      - Select the lottery you want purge.
- Click the  "Purge"  button.
 Window Controls 
      "Select Lottery"  dropdown 
    Use this dropdown to select the lottery that you want to prune.
      "Purge"  button 
    Click this to start the purging process.
      "Cancel"  button 
    This button will close the window.