void sort( double a[], int n )
        {
            for( int i = 0; i < n-1; i++ )
                for( int j = i+1; j < n; j++ )
                    if( a[i] > a[j] )
                    {
                        double temp = a[i];
                        a[i] = a[j];
                        a[j] = temp;
                    }
        }
private: System::Void button1_Click(System::Object^  sender, System::EventArgs^  e)
             {
                 int n = 0, count = richTextBox1->Lines->Length;
                 for( int i = 0; i < count; i++ )
                 {
                     if( Convert::ToDouble(richTextBox1->Lines[i]) < 0 )
                         break;
                     n++;
                 }
                 double *a = new double[n];
                 for( int i = 0; i < n; i++ )
                     a[i] = Convert::ToDouble(richTextBox1->Lines[i]);
                 richTextBox2->Clear();
                 sort( a, n );
                 for( int i = 0; i < n; i++ )
                     richTextBox2->Text += a[i].ToString() + "\n";
                 delete []a;
             }