---
title: "MetadataDictionary Members"
canonical: https://www.graphicsmill.com/docs/gm/AllMembers_T_Aurigma_GraphicsMill_Codecs_MetadataDictionary.htm
product: "Graphics Mill"
---

# MetadataDictionary Members
 
The [MetadataDictionary](https://www.graphicsmill.com/docs/gm/T_Aurigma_GraphicsMill_Codecs_MetadataDictionary.htm.md) type exposes the following members.
 
## Methods

|   |  Name |  Description |
| --- | --- | --- |
 |  ![Public method](https://www.graphicsmill.com/docs/gm/icons/pubmethod.gif) |  [Add](https://www.graphicsmill.com/docs/gm/O_T_Aurigma_GraphicsMill_Codecs_MetadataDictionary_Add.htm.md) |  Overloaded. <br>Adds one or several elements with the provided key and data to this dictionary. |
 |  ![Public method](https://www.graphicsmill.com/docs/gm/icons/pubmethod.gif) |  [Clear](https://www.graphicsmill.com/docs/gm/M_Aurigma_GraphicsMill_Codecs_MetadataDictionary_Clear.htm.md) |  Removes all elements from this dictionary. |
 |  ![Public method](https://www.graphicsmill.com/docs/gm/icons/pubmethod.gif) |  [Contains](https://www.graphicsmill.com/docs/gm/M_Aurigma_GraphicsMill_Codecs_MetadataDictionary_Contains_1_d02429b3.htm.md) |  Determines whether this dictionary contains an element with the specified key. |
 |  ![Public method](https://www.graphicsmill.com/docs/gm/icons/pubmethod.gif) |  [CopyTo](https://www.graphicsmill.com/docs/gm/M_Aurigma_GraphicsMill_Codecs_MetadataDictionary_CopyTo_2_d6abc6ee.htm.md) |  Copies the entire dictionary to a given array, starting at the specified index. |
 |  ![Public method](https://www.graphicsmill.com/docs/gm/icons/pubmethod.gif) |  [Dispose](https://www.graphicsmill.com/docs/gm/M_Aurigma_GraphicsMill_Codecs_MetadataDictionary_Dispose.htm.md) |  Releases all resources used by this [MetadataDictionary](https://www.graphicsmill.com/docs/gm/T_Aurigma_GraphicsMill_Codecs_MetadataDictionary.htm.md). |
 |  ![Public method](https://www.graphicsmill.com/docs/gm/icons/pubmethod.gif) |  Equals |  (Inherited from Object.) |
 |  ![Protected method](https://www.graphicsmill.com/docs/gm/icons/protmethod.gif) |  Finalize |  (Inherited from Object.) |
 |  ![Public method](https://www.graphicsmill.com/docs/gm/icons/pubmethod.gif) |  [GetDictionaryEnumerator](https://www.graphicsmill.com/docs/gm/M_Aurigma_GraphicsMill_Codecs_MetadataDictionary_GetDictionaryEnumerator.htm.md) |  Returns an IDictionaryEnumerator that iterates through this dictionary. |
 |  ![Public method](https://www.graphicsmill.com/docs/gm/icons/pubmethod.gif) |  [GetEnumerator](https://www.graphicsmill.com/docs/gm/M_Aurigma_GraphicsMill_Codecs_MetadataDictionary_GetEnumerator.htm.md) |  Returns an IEnumerator that iterates through the [MetadataDictionary](https://www.graphicsmill.com/docs/gm/T_Aurigma_GraphicsMill_Codecs_MetadataDictionary.htm.md). |
 |  ![Public method](https://www.graphicsmill.com/docs/gm/icons/pubmethod.gif) |  GetHashCode |  (Inherited from Object.) |
 |  ![Public method](https://www.graphicsmill.com/docs/gm/icons/pubmethod.gif) |  [GetItemArray](https://www.graphicsmill.com/docs/gm/M_Aurigma_GraphicsMill_Codecs_MetadataDictionary_GetItemArray_1_d02429b3.htm.md) |  Returns an array of elements with the specified key. |
 |  ![Public method](https://www.graphicsmill.com/docs/gm/icons/pubmethod.gif) |  [GetItemString](https://www.graphicsmill.com/docs/gm/M_Aurigma_GraphicsMill_Codecs_MetadataDictionary_GetItemString_1_d02429b3.htm.md) |  Returns a string representation of the element with the specified key. |
 |  ![Public method](https://www.graphicsmill.com/docs/gm/icons/pubmethod.gif) |  [GetKeyDescription](https://www.graphicsmill.com/docs/gm/M_Aurigma_GraphicsMill_Codecs_MetadataDictionary_GetKeyDescription_1_d02429b3.htm.md) |  Returns a textual description for the specified key. |
 |  ![Public method](https://www.graphicsmill.com/docs/gm/icons/pubmethod.gif) |  GetType |  (Inherited from Object.) |
 |  ![Protected method](https://www.graphicsmill.com/docs/gm/icons/protmethod.gif) |  MemberwiseClone |  (Inherited from Object.) |
 |  ![Public method](https://www.graphicsmill.com/docs/gm/icons/pubmethod.gif) |  [Remove](https://www.graphicsmill.com/docs/gm/M_Aurigma_GraphicsMill_Codecs_MetadataDictionary_Remove_1_d02429b3.htm.md) |  Removes the value with the specified key from this dictionary. |
 |  ![Public method](https://www.graphicsmill.com/docs/gm/icons/pubmethod.gif) |  [SetItemArray](https://www.graphicsmill.com/docs/gm/M_Aurigma_GraphicsMill_Codecs_MetadataDictionary_SetItemArray_2_65aeff2b.htm.md) |  Sets multiple elements at the specified key. |
 |  ![Public method](https://www.graphicsmill.com/docs/gm/icons/pubmethod.gif) |  ToString |  (Inherited from Object.) |
 
## Properties

|   |  Name |  Description |
| --- | --- | --- |
 |  ![Public property](https://www.graphicsmill.com/docs/gm/icons/pubproperty.gif) |  [Count](https://www.graphicsmill.com/docs/gm/P_Aurigma_GraphicsMill_Codecs_MetadataDictionary_Count.htm.md) |  Gets the number of elements actually contained in this dictionary. |
 |  ![Public property](https://www.graphicsmill.com/docs/gm/icons/pubproperty.gif) |  [IsFixedSize](https://www.graphicsmill.com/docs/gm/P_Aurigma_GraphicsMill_Codecs_MetadataDictionary_IsFixedSize.htm.md) |  Gets a value indicating whether the dictionary has a fixed size. |
 |  ![Public property](https://www.graphicsmill.com/docs/gm/icons/pubproperty.gif) |  [IsReadOnly](https://www.graphicsmill.com/docs/gm/P_Aurigma_GraphicsMill_Codecs_MetadataDictionary_IsReadOnly.htm.md) |  Gets a value indicating whether the dictionary is read-only. |
 |  ![Public property](https://www.graphicsmill.com/docs/gm/icons/pubproperty.gif) |  [IsSynchronized](https://www.graphicsmill.com/docs/gm/P_Aurigma_GraphicsMill_Codecs_MetadataDictionary_IsSynchronized.htm.md) |  Gets a value indicating whether the dictionary is synchronized. |
 |  ![Public property](https://www.graphicsmill.com/docs/gm/icons/pubproperty.gif) |  [Item](https://www.graphicsmill.com/docs/gm/P_Aurigma_GraphicsMill_Codecs_MetadataDictionary_Item_1_d02429b3.htm.md) |  Gets or sets the element at the specified key. |
 |  ![Public property](https://www.graphicsmill.com/docs/gm/icons/pubproperty.gif) |  [Keys](https://www.graphicsmill.com/docs/gm/P_Aurigma_GraphicsMill_Codecs_MetadataDictionary_Keys.htm.md) |  Gets a collection containing the keys in this dictionary. |
 |  ![Public property](https://www.graphicsmill.com/docs/gm/icons/pubproperty.gif) |  [SyncRoot](https://www.graphicsmill.com/docs/gm/P_Aurigma_GraphicsMill_Codecs_MetadataDictionary_SyncRoot.htm.md) |  Gets an object that can be used to synchronize access to this dictionary. |
 |  ![Public property](https://www.graphicsmill.com/docs/gm/icons/pubproperty.gif) |  [Values](https://www.graphicsmill.com/docs/gm/P_Aurigma_GraphicsMill_Codecs_MetadataDictionary_Values.htm.md) |  Gets a collection containing the values in this dictionary. |
   
## See Also

### Reference

- [MetadataDictionary Class](https://www.graphicsmill.com/docs/gm/T_Aurigma_GraphicsMill_Codecs_MetadataDictionary.htm.md)
- [Aurigma.GraphicsMill.Codecs Namespace](https://www.graphicsmill.com/docs/gm/N_Aurigma_GraphicsMill_Codecs.htm.md)