Why Dictionary is serializable ?

Question

Does anyone know the reason why Dictionary is serializable ?

Niradhip Chakraborty · Answer

a .NET class called KeyedCollection. KeyedCollection derives from the iList interface instead of iDictionary and is therefore serializable. So if you need a keyed list and your objects include unique values you can use KeyedCollection and get the benefits of serialization as well. You also can check it out: 1. http://www.c-sharpcorner.com/Blogs/BlogDetail.aspx?BlogId=362

Master Billa · Answer

Hi When you are look .net class lib for the dictonarty it inherited from some basic object. take look the snap shot Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:Table Normal; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin-top:0in; mso-para-margin-right:0in; mso-para-margin-bottom:10.0pt; mso-para-margin-left:0in; line-height:115%; mso-pagination:widow-orphan; font-size:11.0pt; font-family:Calibrisans-serif; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:Times New Roman; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin;} using System; using System . Collections; using System . Diagnostics; using System . Reflection; using System . Runtime . InteropServices; using System . Runtime . Serialization; namespace System . Collections . Generic { // Summary: // Represents a collection of keys and values. // // Type parameters: // TKey: // The type of the keys in the dictionary. // // TValue: // The type of the values in the dictionary. [ Serializable ] [ ComVisible ( false )] [ DebuggerDisplay ( Count = {Count} )] public class Dictionary TKey TValue > : IDictionary TKey TValue >  ICollection KeyValuePair TKey TValue >>  IEnumerable KeyValuePair TKey TValue >>  IDictionary  ICollection  IEnumerable  ISerializable  IDeserializationCallback { // Summary: // Initializes a new instance of the System.Collections.Generic.Dictionary // class that is empty has the default initial capacity and uses the default // equality comparer for the key type. public Dictionary(); // // Summary: // Initializes a new instance of the System.Collections.Generic.Dictionary // class that contains elements copied from the specified System.Collections.Generic.IDictionary // and uses the default equality comparer for the key type. // // Parameters: // dictionary: // The System.Collections.Generic.IDictionary whose elements are // copied to the new System.Collections.Generic.Dictionary . // // Exceptions: // System.ArgumentNullException: // dictionary is null. // // System.ArgumentException: // dictionary contains one or more duplicate keys. } } And it's mark as Serializable Thank you

Roei Bar · Answer

dictionery is a collection that inherits from ISerializable this is why :-)