/// <summary>
 /// Constructor for this class.
 /// </summary>
 /// <param name="strategy">Strategy selected to solve a cell.</param>
 /// <param name="cell">Cell just solved.</param>
 public SuDoStrategyUsedEventArgs(SuDoStrategy strategy, SuDoCell cell)
 {
     this.Strategy = strategy;
     this.Row = cell.Row;
     this.Col = cell.Column;
     this.Value = cell.Value;
 }
 /// <summary>
 /// Constructor for this class.
 /// </summary>
 /// <param name="strategy">Strategy selected to solve a cell.</param>
 /// <param name="cell">Cell just solved.</param>
 public SuDoStrategyUsedEventArgs(SuDoStrategy strategy, SuDoCell cell)
 {
     this.Strategy = strategy;
     this.Row      = cell.Row;
     this.Col      = cell.Column;
     this.Value    = cell.Value;
 }