C # Indexer: Take an example of an element in a collection or array _ "Go"

Garmmar:

[Access modifier] Data type this[parameter list]

{

Get

{Gets the contents of the indexer}

Set

{Set the contents of the indexer}

}

Eg:

1<span style="font-size:14px;">usingSystem; 2     usingSystem.Collections.Generic; 3     usingSystem.Text; 4       5     namespaceindexerusing6     {  7         classPhoto8         {  9              Ten             Private stringname;  One        A              Public stringName -             {   -                 Get{returnname;}  the                 Set{name =value;}  -             }   -              PublicPhoto () {} -              PublicPhoto (stringname) +             {   -                  This. Name =name;  +             }   A         }   at         classAlbum -         {   -             Privatephoto[] _photos;  -              PublicAlbum () -             { }   -              PublicAlbum (intcount) in             {   -_photos =NewPhoto[count];  to             }   +              PublicPhoto This[intIndex] -             {   the                 Get   *                 {   $                     if(Index <0|| Index >_photos. Length)Panax Notoginseng                         return NULL;  -                     Else   the                         return_photos[index];  +                 }   A                 Set   the                 {   +                     if(Index <0|| Index >_photos. Length) -                         return;  $                     Else   $_photos[index] =value;  -                 }   -             }   the         }   -       Wuyi         class Program the         {   -             Static voidMain (string[] args) Wu             {   -Album Album =NewAlbum (3);  AboutPhoto photo1 =NewPhoto ("Wang Yunpeng");  $Photo Photo2 =NewPhoto ("Huangliyun");  -Photo Photo3 =NewPhoto ("Li Wenping");  -album[0] =photo1;  -album[1] =Photo2;  Aalbum[2] =Photo3;  +Console.WriteLine ("Enter first Photo: {0}", album[0].  Name);  the        -             }   $         }   the     }   the</span>

C # Indexer: Take an example of an element in a collection or array _ "Go"