NSManagedObject Class

Reference

Definition

Namespace:: CoreData

Assembly:: Xamarin.iOS.dll

Assembly:: Xamarin.Mac.dll

Important

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A class that can be managed by a managed object context. Should have a correspondence to domain model classes, even if they are not direct subtypes.

[Foundation.Register("NSManagedObject", true)]
public class NSManagedObject : Foundation.NSObject, CoreData.INSFetchRequestResult, IDisposable

type NSManagedObject = class
    inherit NSObject
    interface INSFetchRequestResult
    interface INativeObject
    interface IDisposable

Inheritance: Object

NSObject
NSManagedObject

Attributes: RegisterAttribute

Implements: INSFetchRequestResult INativeObject IDisposable

Constructors

NSManagedObject(IntPtr)	A constructor used when creating managed representations of unmanaged objects; Called by the runtime.
NSManagedObject(NSEntityDescription, NSManagedObjectContext)	Creates a new NSManagedObject from an entity description and inserts the object into the specified managed object context.
NSManagedObject(NSManagedObjectContext)	Creates a new NSManagedObject in the specified managed object context.
NSManagedObject(NSObjectFlag)	Constructor to call on derived classes to skip initialization and merely allocate the object.

Properties

ChangedValues	Gets a dictionary of the old values of persistent values that were recently changed since the receiver was last fetched.
ChangedValuesForCurrentEvent	Returns a dictionary of the old values of persistent values that were recently changed since the context objects last changed.
Class	(Inherited from NSObject)
ClassHandle	The handle for this class.
ContextShouldIgnoreUnModeledPropertyChanges	Gets a Boolean value that tells whether the managed object should ignore changes to unmodeled properties.
DebugDescription	A developer-meaningful description of this object. (Inherited from NSObject)
Description	Description of the object, the Objective-C version of ToString. (Inherited from NSObject)
Entity	Gets the receiver's entity description.
FaultingState	Gets the receiver's faulting state.
Handle	Handle (pointer) to the unmanaged object representation. (Inherited from NSObject)
HasChanges	Gets a Boolean value that tells whether the receiver has changes due to having been inserted or deleted, or due to having other unsaved changes.
HasPersistentChangedValues	Gets a Boolean value that tells whether the receiver has unsaved changes to persistent values.
IsDeleted	Gets a Boolean value that tells whether the receiver will be deleted in the next save.
IsDirectBinding	(Inherited from NSObject)
IsFault	Gets a Boolean value that tells whether the receiver has been converted to a fault.
IsInserted	Gets a Boolean value that tells whether the receiver was inserted into a managed object context.
IsProxy	(Inherited from NSObject)
IsUpdated	Gets a Boolean value that tells whether the receiver has changes that are not yet saved.
ManagedObjectContext	Gets the managed object context where this managed object is registered.
ObjectID	Gets the object identifer.
ObservationInfo	Gets the KVO information for the object.
RetainCount	Returns the current Objective-C retain count for the object. (Inherited from NSObject)
Self	(Inherited from NSObject)
Superclass	(Inherited from NSObject)
SuperHandle	Handle used to represent the methods in the base class for this NSObject. (Inherited from NSObject)
Zone	(Inherited from NSObject)

Methods

AddObserver(NSObject, NSString, NSKeyValueObservingOptions, IntPtr)	Registers an object for being observed externally (using NSString keyPath). Observed changes are dispatched to the observer’s object ObserveValue(NSString, NSObject, NSDictionary, IntPtr) method. (Inherited from NSObject)
AddObserver(NSObject, String, NSKeyValueObservingOptions, IntPtr)	Registers an object for being observed externally (using string keyPath). Observed changes are dispatched to the observer’s object ObserveValue(NSString, NSObject, NSDictionary, IntPtr) method. (Inherited from NSObject)
AddObserver(NSString, NSKeyValueObservingOptions, Action<NSObservedChange>)	Registers an object for being observed externally using an arbitrary method. (Inherited from NSObject)
AddObserver(String, NSKeyValueObservingOptions, Action<NSObservedChange>)	Registers an object for being observed externally using an arbitrary method. (Inherited from NSObject)
AwakeFromFetch()	Method that is called after the receiver is fetched.
AwakeFromInsert()	Method that is called after the managed object is inserted into a managed object context.
AwakeFromNib()	Called after the object has been loaded from the nib file. Overriders must call base.AwakeFromNib(). (Inherited from NSObject)
AwakeFromSnapshotEvents(NSSnapshotEventType)	Method that is called to awaken the receiver when a property state change occurs.
BeginInvokeOnMainThread(Action)	(Inherited from NSObject)
BeginInvokeOnMainThread(Selector, NSObject)	Invokes asynchrously the specified code on the main UI thread. (Inherited from NSObject)
Bind(NSString, NSObject, String, NSDictionary)	(Inherited from NSObject)
Bind(String, NSObject, String, NSDictionary)	Obsolete. (Inherited from NSObject)
BindingInfo(String)	Obsolete. (Inherited from NSObject)
BindingOptionDescriptions(String)	Obsolete. (Inherited from NSObject)
BindingValueClass(String)	Obsolete. (Inherited from NSObject)
CommitEditing()	(Inherited from NSObject)
CommitEditing(NSObject, Selector, IntPtr)	(Inherited from NSObject)
CommittedValuesForKeys(String[])	Returns a dictionary that contains property values for the specified `keys` from before the last fetch or save.
ConformsToProtocol(IntPtr)	Invoked to determine if this object implements the specified protocol. (Inherited from NSObject)
Copy()	Performs a copy of the underlying Objective-C object. (Inherited from NSObject)
CreateFetchRequest()	Creates and returns a fetch request.
DangerousAutorelease()	(Inherited from NSObject)
DangerousRelease()	(Inherited from NSObject)
DangerousRetain()	(Inherited from NSObject)
DidAccessValueForKey(String)	Method that is called when the value for the property that is identified by `key` is accessed.
DidChange(NSKeyValueChange, NSIndexSet, NSString)	Indicates a change occurred to the indexes for a to-many relationship. (Inherited from NSObject)
DidChange(NSString, NSKeyValueSetMutationKind, NSSet)	(Inherited from NSObject)
DidChangeValue(String)	Indicates that a change occurred on the specified key. (Inherited from NSObject)
DidChangeValueForKey(String, NSKeyValueSetMutationKind, NSSet)	Method that is called when the value for the many-to-many property that is identified by `key` is changed.
DidChangeValueForKey(String)	Method that is called when the value for the property that is identified by `key` is changed.
DidSave()	Method that is called after the managed context operation saves values.
DidTurnIntoFault()	Method that is called when the receiver becomes a fault.
Dispose()	Releases the resources used by the NSObject object. (Inherited from NSObject)
Dispose(Boolean)	Releases the resources used by the NSObject object. (Inherited from NSObject)
DoesNotRecognizeSelector(Selector)	Indicates that this object does not recognize the specified selector. (Inherited from NSObject)
Equals(NSObject)	(Inherited from NSObject)
Equals(Object)	(Inherited from NSObject)
ExposedBindings()	(Inherited from NSObject)
GetBindingInfo(NSString)	(Inherited from NSObject)
GetBindingOptionDescriptions(NSString)	(Inherited from NSObject)
GetBindingValueClass(NSString)	(Inherited from NSObject)
GetDictionaryOfValuesFromKeys(NSString[])	Retrieves the values of the specified keys. (Inherited from NSObject)
GetEntityDescription()	Gets the entity description for the receiver.
GetHashCode()	Generates a hash code for the current instance. (Inherited from NSObject)
GetMethodForSelector(Selector)	(Inherited from NSObject)
GetNativeField(String)	Obsolete. (Inherited from NSObject)
GetNativeHash()	(Inherited from NSObject)
GetObjectIDs(String)	Gets the identifiers for all of the objects that are involved in the specified relationship.
HasFaultForRelationshipNamed(String)	Gets a Boolean value that tells whether the receiver has a fault.
Init()	(Inherited from NSObject)
InitializeHandle(IntPtr, String)	(Inherited from NSObject)
InitializeHandle(IntPtr)	(Inherited from NSObject)
Invoke(Action, Double)	(Inherited from NSObject)
Invoke(Action, TimeSpan)	(Inherited from NSObject)
InvokeOnMainThread(Action)	(Inherited from NSObject)
InvokeOnMainThread(Selector, NSObject)	Invokes synchrously the specified code on the main UI thread. (Inherited from NSObject)
IsEqual(NSObject)	(Inherited from NSObject)
IsKindOfClass(Class)	(Inherited from NSObject)
IsMemberOfClass(Class)	(Inherited from NSObject)
MarkDirty()	Promotes a regular peer object (IsDirectBinding is true) into a toggleref object. (Inherited from NSObject)
MutableCopy()	Creates a mutable copy of the specified NSObject. (Inherited from NSObject)
ObjectDidEndEditing(NSObject)	(Inherited from NSObject)
ObserveValue(NSString, NSObject, NSDictionary, IntPtr)	Indicates that the value at the specified keyPath relative to this object has changed. (Inherited from NSObject)
PerformSelector(Selector, NSObject, Double, NSString[])	(Inherited from NSObject)
PerformSelector(Selector, NSObject, Double)	Invokes the selector on the current instance and if the `obj` is not null, it passes this as its single parameter. (Inherited from NSObject)
PerformSelector(Selector, NSObject, NSObject)	(Inherited from NSObject)
PerformSelector(Selector, NSObject)	(Inherited from NSObject)
PerformSelector(Selector, NSThread, NSObject, Boolean, NSString[])	(Inherited from NSObject)
PerformSelector(Selector, NSThread, NSObject, Boolean)	(Inherited from NSObject)
PerformSelector(Selector)	(Inherited from NSObject)
PrepareForDeletion()	Method that is called prior to the object being deleted.
PrepareForInterfaceBuilder()	(Inherited from NSObject)
PrimitiveValueForKey(String)	Returns the receiver's internal primitive value for the property that is specified by the provided `key`.
RemoveObserver(NSObject, NSString, IntPtr)	Stops the specified observer from receiving further notifications of changed values for the specified keyPath and context. (Inherited from NSObject)
RemoveObserver(NSObject, NSString)	Stops the specified observer from receiving further notifications of changed values for the specified keyPath. (Inherited from NSObject)
RemoveObserver(NSObject, String, IntPtr)	Stops the specified observer from receiving further notifications of changed values for the specified keyPath and context. (Inherited from NSObject)
RemoveObserver(NSObject, String)	Stops the specified observer from receiving further notifications of changed values for the specified keyPath. (Inherited from NSObject)
RespondsToSelector(Selector)	Whether this object recognizes the specified selector. (Inherited from NSObject)
SetNativeField(String, NSObject)	Obsolete. (Inherited from NSObject)
SetNilValueForKey(NSString)	Sets the value of the specified key to null. (Inherited from NSObject)
SetPrimitiveValue(IntPtr, String)	Sets the receiver's internal primitive value for the property that is specified by the provided `key`.
SetValue(IntPtr, String)	Sets the receiver's value for the property that is specified by the provided `key`.
SetValueForKey(NSObject, NSString)	Sets the value of the property specified by the key to the specified value. (Inherited from NSObject)
SetValueForKeyPath(IntPtr, NSString)	A constructor used when creating managed representations of unmanaged objects; Called by the runtime. (Inherited from NSObject)
SetValueForKeyPath(NSObject, NSString)	Sets the value of a property that can be reached using a keypath. (Inherited from NSObject)
SetValueForUndefinedKey(NSObject, NSString)	Indicates an attempt to write a value to an undefined key. If not overridden, raises an NSUndefinedKeyException. (Inherited from NSObject)
SetValuesForKeysWithDictionary(NSDictionary)	Sets the values of this NSObject to those in the specified dictionary. (Inherited from NSObject)
ToString()	Returns a string representation of the value of the current instance. (Inherited from NSObject)
Unbind(NSString)	(Inherited from NSObject)
Unbind(String)	Obsolete. (Inherited from NSObject)
ValidateForDelete(NSError)	Returns `true` if the receiver is valid for deletion.
ValidateForInsert(NSError)	Returns `true` if the receiver is valid for insertion.
ValidateForUpdate(NSError)	Returns `true` if the receiver is valid for updating.
ValidateValue(NSObject, String, NSError)	Returns `true` if the specified `value` is valid for the property that is identified by the specified `key`.
ValueForKey(NSString)	Returns the value of the property associated with the specified key. (Inherited from NSObject)
ValueForKey(String)	Returns the `value` for the property that is identified by the specified `key`.
ValueForKeyPath(NSString)	Returns the value of a property that can be reached using a keypath. (Inherited from NSObject)
ValueForUndefinedKey(NSString)	Indicates an attempt to read a value of an undefined key. If not overridden, raises an NSUndefinedKeyException. (Inherited from NSObject)
WillAccessValueForKey(String)	Method that is called before the value for the property that is identified by `key` is accessed.
WillChange(NSKeyValueChange, NSIndexSet, NSString)	Indicates that the values of the specified indices in the specified key are about to change. (Inherited from NSObject)
WillChange(NSString, NSKeyValueSetMutationKind, NSSet)	(Inherited from NSObject)
WillChangeValue(String)	Indicates that the value of the specified key is about to change. (Inherited from NSObject)
WillChangeValueForKey(String, NSKeyValueSetMutationKind, NSSet)	Method that is called before the value for the many-to-many property that is identified by `key` is changed.
WillChangeValueForKey(String)	Method that is called before the value for the property that is identified by `key` is changed.
WillSave()	Method that is called before the receiver is saved.
WillTurnIntoFault()	Method that is called before the receiver is turned into a fault.

Extension Methods

ObjectDidBeginEditing(NSObject, INSEditor)
ObjectDidEndEditing(NSObject, INSEditor)
GetValidModes(NSObject, NSFontPanel)
ValidateToolbarItem(NSObject, NSToolbarItem)
GetDebugDescription(INSObjectProtocol)
AcceptsPreviewPanelControl(NSObject, QLPreviewPanel)
BeginPreviewPanelControl(NSObject, QLPreviewPanel)
EndPreviewPanelControl(NSObject, QLPreviewPanel)
GetAccessibilityCustomRotors(NSObject)	Gets the array of UIAccessibilityCustomRotor objects appropriate for `this` object.
SetAccessibilityCustomRotors(NSObject, UIAccessibilityCustomRotor[])	Sets the array of UIAccessibilityCustomRotor objects appropriate for `this` object.

Applies to

通过