tfTapeName_Click (Type:Event){
    Read text from textfield_Tapename;
    QueryDB (Tapename) 
    If Tapename isn't in the Database then
        GetMFGDate() from user

    ELSE Tapename Is in Database
        Get MFGDATE() from QueryDB(Tapename)

    If MFGDATE too old then GetMFGDATE() from user until
        user acknowledges over-ride or enters a good MFGDATE

    GetDestination() from Textfield_Destination
    Until Destination is entered and is valid per TapePolicy
      GetDestination() from User

    Write Tapename, MFGDATE, Destination, Current time and 
      date to Listview_Entered_Data.
}