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C#中This Overload用法，Indexer的讲解
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C#中This Overload的用法！Indexer的用法
using System;
namespace IndexerApplication
{
class IndexedNames
{
private string[] namelist = new string[size];
static public int size = 10;
public IndexedNames()
{
for (int i = 0; i < size; i++)
{
namelist[i] = "N. A.";
}
}
public string this[int index]
{
get
{
string tmp;
if (index >= 0 && index <= size - 1)
{
tmp = namelist[index];
}
else
{
tmp = "";
}
return (tmp);
}
set
{
if (index >= 0 && index <= size - 1)
{
namelist[index] = value;
}
}
}
public int this[string name]
{
get
{
int index = 0;
while (index < size)
{
if (namelist[index] == name)
{
return index;
}
index++;
}
return index;
}
}
static void Main(string[] args)
{
IndexedNames names = new IndexedNames();
names[0] = "Zara";
names[1] = "Riz";
names[2] = "Nuha";
names[3] = "Asif";
names[4] = "Davinder";
names[5] = "Sunil";
names[6] = "Rubic";
//using the first indexer with int parameter
for (int i = 0; i < IndexedNames.size; i++)
{
Console.WriteLine(names[i]);
}
//using the second indexer with the string parameter
Console.WriteLine(names["Nuha"]);
Console.ReadKey();
}
}
}
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