Indexing with Multiple Parameters : Indexer : Class C# Examples

    
using  System;

public  class  Cell
{
        string  name;
        
        public  Cell(string  name)
        {
                this.name  =  name;
        }
        
        public  override  string  ToString()
        {
                return(name);
        }
}

public  class  Table
{
        Cell[,]  table  =  new  Cell[8,  8];
        
        int  RowToIndex(string  row)
        {
                string  temp  =  row.ToUpper();
                return((int)  temp[0]  -  (int)  'A');
        }
        
        int  PositionToColumn(string  pos)
        {
                return(pos[1]  -  '0'  -  1);
        }
        
        public  Cell  this[string  row,  int  column]
        {
                get
                {
                        return(table[RowToIndex(row),  column  -  1]);
                }
                set
                {
                        table[RowToIndex(row),  column  -  1]  =  value;
                }
        }        
        
        public  Cell  this[string  position]
        {
                get
                {
                        return(table[RowToIndex(position),
                        PositionToColumn(position)]);
                }
                set
                {
                        table[RowToIndex(position),
                        PositionToColumn(position)]  =  value;
                }
        }        
}
class  MainClass
{
        public  static  void  Main()
        {
                Table  table  =  new  Table();
                
                table["A",  4]  =  new  Cell("A4");
                table["H",  4]  =  new  Cell("H4");
                
                Console.WriteLine("A4  =  {0}",  table["A",  4]);
                Console.WriteLine("H4  =  {0}",  table["H4"]);
        }
}