C # Indexer Encapsulation

1. Student Data category

public class Student

{

Public Student ()

{ }

Public Student (string no,string name)

{

This. Studentno = no;

This. Studentname = name;

}

private string Studentno;

private string Studentname;

<summary>

School Number

</summary>

public string Studentno

{

Get

{

return studentno;

}

Set

{

Studentno = value;

}

}

<summary>

name

</summary>

public string Studentname

{

Get

{

return studentname;

}

Set

{

Studentname = value;

}

}

}

2. Arrays

public class MyList

{

<summary>

The actual number of array elements

</summary>

private int count;

student[] Stus = new Student[4];

Number of #region elements

public int Count

{

Get

{

return count;

}

Set

{

Count = value;

}

}

#endregion

#region adding elements

public void Add (Student item)

{

if (Count = = Stus. Length)

{

student[] Newstus = new Student[stus. Length * 2];

Stus. CopyTo (newstus, 0);

Stus = Newstus;

}

Stus[count] = Item;

count++;

}

#endregion

#region Get elements

Public Student Get (int index)

{

return Stus[index];

}

Public Student Get (string name)

{

for (int i = 0; i < count; i++)

{

if (Stus[i]. Studentname = = name)

{

return stus[i];

}

}

return null;

}

#endregion

#region Indexer

Public Student This[int Index]

{

Get

{

return Stus[index];

}

set {Stus[index] = value;}

}

Public Student this[string Name]

{

Get

{

for (int i = 0; i < count; i++)

{

if (Stus[i]. Studentname = = name)

{

return stus[i];

}

}

return null;

}

Set

{

for (int i = 0; i < count; i++)

{

if (Stus[i]. Studentname = = name)

{

Stus[i] = value;

}

}

}

}

#endregion

}

3. Call

static void Main (string[] args)

{

MyList ml = new C0index. MyList ();

ml. ADD (New Student ("001", "AA"));

ml. ADD (New Student ("002", "BB"));

ml. ADD (New Student ("003", "CC"));

ml. ADD (New Student ("004", "DD"));

ml. ADD (New Student ("005", "ee"));

for (int i = 0; i < ml. Count; i++)

{

Console.WriteLine (Ml[i]. Studentname);

}

}

C # Indexer Encapsulation