10
Groups of
Objects: Dictionaries
lDictionaries
/* Create dictionary of squares and look up and sum entries */
Hashtable Dictionary=new
Hashtable(31);
long i;
long sum=0;
int
m=int.Parse(this.textBox5.Text);
int
n=int.Parse(this.textBox6.Text);
for (i=m;i<=n;i++)
Dictionary.Add(i,(i*i));
MessageBox.Show("Created
dictionary","Created Dictionary",
MessageBoxButtons.OK,MessageBoxIcon.Information);
for (i=m;i<=n;i++)
sum=sum+(long)Dictionary[i];
MessageBox.Show("Sum(dictionary
entry = n*n) from "+m.ToString()+
" to
"+n.ToString()+" = "+sum.ToString(),"Summed
Dictionary",
MessageBoxButtons.OK,
MessageBoxIcon.Information);