HybridDictionary Class

Implements IDictionary by using a ListDictionary while the collection is small, and then switching to a Hashtable when the collection gets large.

Definition

public class HybridDictionary: Object, IDictionary, ICollection, IEnumerable

Members Table

The following table lists the members exposed by the HybridDictionary object. Click a tab on the left to choose the type of member you want to view.

Methods

Method	Description
Add	Adds an entry with the specified key and value into the HybridDictionary.
Clear	Removes all entries from the HybridDictionary.
Contains	Determines whether the HybridDictionary contains a specific key.
CopyTo	Copies the HybridDictionary entries to a one-dimensional Array instance at the specified index.
Equals	Overloaded. Compares two objects to determine if they are equal. (Inherited from Object)
GetEnumerator	Overloaded.
GetHashCode	Serves as a hash function for a particular type, suitable for use in hashing algorithms and data structures like a hash table. (Inherited from Object)
GetType	Gets the Type of the current instance. (Inherited from Object)
HybridDictionary	Overloaded. Initializes a new instance of HybridDictionary.
ReferenceEquals	Determines whether the specified Object instances are the same instance. (Inherited from Object)
Remove	Removes the entry at the specified key from the HybridDictionary.
System.Collections.IEnumerable.GetEnumerator	Returns an IEnumerator that can iterate through the HybridDictionary.
ToString	Returns a String that represents the current Object. (Inherited from Object)
this[]	Gets or sets the value associated with the specified key.

Properties

Property	Description
Count	Gets the number of key-and-value pairs contained in the HybridDictionary.
IsFixedSize	Gets a value indicating whether the HybridDictionary has a fixed size.
IsReadOnly	Gets a value indicating whether the HybridDictionary is read-only.
IsSynchronized	Gets a value indicating whether access to the HybridDictionary is synchronized.
Keys	Gets an ICollection containing the keys in the HybridDictionary.
SyncRoot	Gets an object that can be used to synchronize access to the HybridDictionary.
Values	Gets an ICollection containing the values in the HybridDictionary.

Inheritance Hierarchy

Object

HybridDictionary

Examples

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// This sample shows how to implement the HybridDictionary class. It also shows how to use the Add and CopyTo methods.

 

using System.Diagnostics;

using System.Collections;

using System.Collections.Specialized;

 

public class SampleHybridDictionary

{

     static void Main()

     {

          // Creates a new HybridDictionary.

          HybridDictionary myHybridDict = new HybridDictionary();

          string[] targetArray = new string[6];

 

          // Adds the new entries to the HybridDictionary.

          myHybridDict.Add(1,"January");

          myHybridDict.Add(2,"February");

          myHybridDict.Add(3,"March");

          myHybridDict.Add(4,"April");

          myHybridDict.Add(5,"May");

          myHybridDict.Add(6,"June");

 

          // Displaying.

          Debug.WriteLine("Before copying");

          Debug.Write("\tThe targetArray: "); DisplayArray(targetArray);

          Debug.WriteLine("\n\t" + "KEY \tVALUE"); DisplayHybridDict(myHybridDict);

 

          // Copies the values of the HDictionary to an array.

          myHybridDict.Values.CopyTo(targetArray, 0);

 

          // Displaying.

          Debug.WriteLine("\nAfter copying");

          Debug.Write("\tThe targetArray: "); DisplayArray(targetArray);

          Debug.WriteLine("\n\t" + "KEY \tVALUE"); DisplayHybridDict(myHybridDict);

     }

 

     static void DisplayArray(string[] myArray)

     {

          for(int i = 0; i < myArray.Length; i++)

            Debug.Write("\t" + myArray[i]);

     }

     static void DisplayHybridDict(IDictionary myDict)

     {

          IDictionaryEnumerator myIDE = myDict.GetEnumerator();

          while(myIDE.MoveNext())

          Debug.WriteLine("\t" + myIDE.Key + "\t\t" + myIDE.Value);

     }

}

 

/*

The output of the sample.

 

Before copying

     The targetArray: null null null null null null

     KEY    VALUE

     1      January

     2      February

     3      March

     4      April

     5      May

     6      June

 

After copying

     The targetArray: January February March April May June

     KEY    VALUE

     1      January

     2      February

     3      March

     4      April

     5      May

     6      June

*/

Class Information

Namespace	System.Collections.Specialized
Flash Library	System.scl
Flash Library Version	2.0.0.1308
Silverlight Library	System.Windows.Forms.dll