expressappframework-devexpress-dot-persistent-dot-baseimpl-dot-mediadataobject-dot-underscore-members.md
The XPO persistent class used to store media data in the database.
| Name | Description |
|---|---|
| MediaDataObject(Session) | Used to initialize a new instance of a MediaDataObject descendant in a specific Session. |
| Name | Description |
|---|---|
| AutoSaveOnEndEdit static |
Specifies whether changes in a persistent object are automatically committed to a database after you have finished editing the object in a bound control.
To learn more, refer to How to: Control Automatic Saving of Objects when Editing in a Grid and How to: Prevent Changes in a Persistent Object from being Automatically Committed.
Inherited from XPBaseObject. |
| DisableSmartCreateAssociationListStrategy static | Controls how the XPCustomMemberInfo.GetValue method creates a collection object when the XPCustomMemberInfo.MemberType property is set to typeof(XPCollection<T>) or typeof(IList<T>). Inherited from PersistentBase. |
| IsXpoProfiling static | Set this field to `true`` before profiling the application via XPO Profiler. Inherited from BaseObject. |
| UseUnsafeCreateCollectionStrategy static | Specifies whether the return value type of the XPCustomMemberInfo.GetValue method can be different than the XPCustomMemberInfo.MemberType property value. Inherited from PersistentBase. |
| Name | Description |
|---|---|
| ClassInfo | Gets a value that provides access to the metadata information of a class gathered via Reflection. Inherited from PersistentBase. |
| Fields static | Gets an object that contains field identifiers for Simplified Criteria Syntax. Inherited from PersistentBase. |
| IsDeleted | Indicates whether the current persistent object is marked as deleted. Inherited from PersistentBase. |
| IsLoading | Indicates whether the object is currently being initialized. Inherited from PersistentBase. |
| Loading | Obsolete. Gets whether the object is currently being initialized. Inherited from XPBaseObject. |
| MediaData | Specifies a byte array with media data that is loaded from a database on demand when required. |
| MediaDataKey | Specifies a key value associated with the MediaDataObject.MediaData byte array. |
| Oid | Specifies the persistent object’s identifier. Inherited from BaseObject. |
| OidInitializationMode static | Specifies when a new GUID value is assigned to the BaseObject.Oid property. Inherited from BaseObject. |
| Session | Gets the session used to load and save persistent objects. Inherited from PersistentBase. |
| This | Refers to the current instance. Inherited from XPBaseObject. |
| Name | Description |
|---|---|
| AddChangedEventHandler(Object, IObjectChange) static | This member supports the .NET Framework infrastructure and cannot be used directly from your code. Inherited from XPBaseObject. |
| AddChangedEventHandler(Object, ObjectChangeEventHandler) static | This member supports the .NET Framework infrastructure and cannot be used directly from your code. Inherited from XPBaseObject. |
| AfterConstruction() | Invoked when the current object is about to be initialized after its creation. Inherited from BaseObject. |
| Delete() | Deletes the persistent object and its aggregated objects from persistent storage. Inherited from XPBaseObject. |
| Equals(Object, Object) static | Determines whether the specified object instances are considered equal. Inherited from Object. |
| Equals(Object) | Determines whether the current object has the same settings as the specified object. Inherited from PersistentBase. |
| Evaluate(CriteriaOperator) | Evaluates the specified expression against the current instance of the persistent object. Inherited from XPBaseObject. |
| Evaluate(String) | Evaluates the specified string expression against the current instance of the persistent object. Inherited from XPBaseObject. |
| EvaluateAlias(String) | Evaluates an expression specified by the PersistentAliasAttribute attribute for the specified property. Inherited from XPBaseObject. |
| Fit(CriteriaOperator) | Checks whether the current instance matches the specified criteria. Inherited from XPBaseObject. |
| Fit(String) | Checks whether the current instance matches the specified criteria. Inherited from XPBaseObject. |
| GetCustomPropertyStore(Object) static | This member supports the internal infrastructure and isn’t intended to be used directly from your code. Inherited from PersistentBase. |
| GetHashCode() | Gets the hash code (a number) that corresponds to the value of the current PersistentBase object. Inherited from PersistentBase. |
| GetMemberValue(String) | Returns the value of the specified property. Inherited from XPBaseObject. |
| GetModificationsStore(Object) static | Returns an object that stores information about the modified properties when the Session.TrackPropertiesModifications option is enabled. Inherited from PersistentBase. |
| GetType() | Gets the Type of the current instance. Inherited from Object. |
| MemberwiseClone() protected | Creates a shallow copy of the current Object. Inherited from Object. |
| RaiseChangedEvent(Object, ObjectChangeEventArgs) static | This member supports the .NET Framework infrastructure and cannot be used directly from your code. Inherited from XPBaseObject. |
| ReferenceEquals(Object, Object) static | Determines whether the specified Object instances are the same instance. Inherited from Object. |
| Reload() | Reloads the state of the specified persistent object from the data store. Inherited from XPBaseObject. |
| RemoveChangedEventHandler(Object, IObjectChange) static | This member supports the .NET Framework infrastructure and cannot be used directly from your code. Inherited from XPBaseObject. |
| RemoveChangedEventHandler(Object, ObjectChangeEventHandler) static | This member supports the .NET Framework infrastructure and cannot be used directly from your code. Inherited from XPBaseObject. |
| Save() | Saves the object to the data store. Inherited from XPBaseObject. |
| SetMemberValue(String, Object) | Sets the value of the specified property. Inherited from XPBaseObject. |
| SetPropertyValueWithSecurityBypass<T>(String, T) protected | Sets the object’s property value bypassing security checks. Inherited from BaseObject. |
| ToString() | Returns a human-readable string that represents the current business object. Inherited from BaseObject. |
| Name | Description |
|---|---|
| Changed | Occurs when a property of the object is changed. Inherited from XPBaseObject. |
See Also