NSMetadataQuery Class
Definition
Important
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A query of Spotlight metadata.
[Foundation.Register("NSMetadataQuery", true)]
public class NSMetadataQuery : Foundation.NSObjecttype NSMetadataQuery = class
inherit NSObject- Inheritance
- Attributes
Constructors
| NSMetadataQuery() |
Default constructor that initializes a new instance of this class with no parameters. |
| NSMetadataQuery(IntPtr) |
A constructor used when creating managed representations of unmanaged objects; Called by the runtime. |
| NSMetadataQuery(NSObjectFlag) |
Constructor to call on derived classes to skip initialization and merely allocate the object. |
Properties
| AccessibleUbiquitousExternalDocumentsScope |
Represents the value associated with the constant NSMetadataQueryAccessibleUbiquitousExternalDocumentsScope |
| AcquisitionMakeKey | |
| AcquisitionModelKey | |
| AlbumKey | |
| AltitudeKey | |
| ApertureKey | |
| AppleLoopDescriptorsKey | |
| AppleLoopsKeyFilterTypeKey | |
| AppleLoopsLoopModeKey | |
| AppleLoopsRootKeyKey | |
| ApplicationCategoriesKey | |
| AudiencesKey | |
| AudioBitRateKey | |
| AudioChannelCountKey | |
| AudioEncodingApplicationKey | |
| AudioSampleRateKey | |
| AudioTrackNumberKey | |
| AuthorAddressesKey | |
| AuthorEmailAddressesKey | |
| AuthorsKey | |
| BitsPerSampleKey | |
| CameraOwnerKey | |
| CFBundleIdentifierKey | |
| CityKey | |
| Class | (Inherited from NSObject) |
| ClassHandle |
The handle for this class. |
| CodecsKey | |
| ColorSpaceKey | |
| CommentKey | |
| ComposerKey | |
| ContactKeywordsKey | |
| ContentCreationDateKey | |
| ContentModificationDateKey | |
| ContentTypeKey |
Represents the value associated with the constant NSMetadataItemContentTypeKey |
| ContentTypeTreeKey |
Represents the value associated with the constant NSMetadataItemContentTypeTreeKey |
| ContributorsKey | |
| CopyrightKey | |
| CountryKey | |
| CoverageKey | |
| CreatorKey | |
| DateAddedKey | |
| DebugDescription |
A developer-meaningful description of this object. (Inherited from NSObject) |
| Delegate |
An instance of the Foundation.INSMetadataQueryDelegate model class which acts as the class delegate. |
| DeliveryTypeKey | |
| Description |
Description of the object, the Objective-C version of ToString. (Inherited from NSObject) |
| DescriptionKey | |
| DidFinishGatheringNotification |
Notification constant for DidFinishGathering |
| DidStartGatheringNotification |
Notification constant for DidStartGathering |
| DidUpdateNotification |
Notification constant for DidUpdate |
| DirectorKey | |
| DownloadedDateKey | |
| DueDateKey | |
| DurationSecondsKey | |
| EditorsKey | |
| EmailAddressesKey | |
| EncodingApplicationsKey | |
| ExecutableArchitecturesKey | |
| ExecutablePlatformKey | |
| ExifGpsVersionKey | |
| ExifVersionKey | |
| ExposureModeKey | |
| ExposureProgramKey | |
| ExposureTimeSecondsKey | |
| ExposureTimeStringKey | |
| FinderCommentKey | |
| FlashOnOffKey | |
| FNumberKey | |
| FocalLength35mmKey | |
| FocalLengthKey | |
| FontsKey | |
| GatheringProgressNotification |
Notification constant for GatheringProgress |
| GenreKey | |
| GpsAreaInformationKey | |
| GpsDateStampKey | |
| GpsDestBearingKey | |
| GpsDestDistanceKey | |
| GpsDestLatitudeKey | |
| GpsDestLongitudeKey | |
| GpsDifferentalKey | |
| GpsDopKey | |
| GpsMapDatumKey | |
| GpsMeasureModeKey | |
| GpsProcessingMethodKey | |
| GpsStatusKey | |
| GpsTrackKey | |
| GroupedResults |
An array containing hierarchical groups of query results based on the grouping attributes. |
| GroupingAttributes |
The grouping attributes of this metadata query. |
| Handle |
Handle (pointer) to the unmanaged object representation. (Inherited from NSObject) |
| HasAlphaChannelKey | |
| HeadlineKey | |
| IdentifierKey | |
| ImageDirectionKey | |
| InformationKey | |
| InstantMessageAddressesKey | |
| InstructionsKey | |
| IsApplicationManagedKey | |
| IsDirectBinding | (Inherited from NSObject) |
| IsGathering |
Whether this query is in the initial gathering phase of the query. |
| IsGeneralMidiSequenceKey | |
| IsLikelyJunkKey | |
| IsoSpeedKey | |
| IsProxy | (Inherited from NSObject) |
| IsStarted |
Whether this query has begun. |
| IsStopped |
Whether this query has stopped. |
| ItemDisplayNameKey |
Represents the value associated with the constant NSMetadataItemDisplayNameKey |
| ItemFSContentChangeDateKey |
Represents the value associated with the constant NSMetadataItemFSContentChangeDateKey |
| ItemFSCreationDateKey |
Represents the value associated with the constant NSMetadataItemFSCreationDateKey |
| ItemFSNameKey |
Represents the value associated with the constant NSMetadataItemFSNameKey |
| ItemFSSizeKey |
Represents the value associated with the constant NSMetadataItemFSSizeKey |
| ItemIsUbiquitousKey |
Represents the value associated with the constant NSMetadataItemIsUbiquitousKey |
| ItemPathKey |
Represents the value associated with the constant NSMetadataItemPathKey |
| ItemURLKey |
Represents the value associated with the constant NSMetadataItemURLKey |
| KeySignatureKey | |
| KeywordsKey | |
| KindKey | |
| LanguagesKey | |
| LastUsedDateKey | |
| LatitudeKey | |
| LayerNamesKey | |
| LensModelKey | |
| LocalComputerScope | |
| LocalDocumentsScope | |
| LongitudeKey | |
| LyricistKey | |
| MaxApertureKey | |
| MediaTypesKey | |
| MeteringModeKey | |
| MusicalGenreKey | |
| MusicalInstrumentCategoryKey | |
| MusicalInstrumentNameKey | |
| NamedLocationKey | |
| NetworkScope | |
| NotificationBatchingInterval |
The interval, in seconds, that this provides notifications of new or updated query results. |
| NumberOfPagesKey | |
| OperationQueue |
The NSOperationQueue used by this query. |
| OrganizationsKey | |
| OrientationKey | |
| OriginalFormatKey | |
| OriginalSourceKey | |
| PageHeightKey | |
| PageWidthKey | |
| ParticipantsKey | |
| PerformersKey | |
| PhoneNumbersKey | |
| PixelCountKey | |
| PixelHeightKey | |
| PixelWidthKey | |
| Predicate |
The predicate the query uses to filter results. |
| ProducerKey | |
| ProfileNameKey | |
| ProjectsKey | |
| PublishersKey | |
| QueryUpdateAddedItemsKey | |
| QueryUpdateChangedItemsKey | |
| QueryUpdateRemovedItemsKey | |
| RecipientAddressesKey | |
| RecipientEmailAddressesKey | |
| RecipientsKey | |
| RecordingDateKey | |
| RecordingYearKey | |
| RedEyeOnOffKey | |
| ReplacementObjectForResultObject |
Delegate invoked by the object to get a value. |
| ReplacementValueForAttributevalue |
Delegate invoked by the object to get a value. |
| ResolutionHeightDpiKey | |
| ResolutionWidthDpiKey | |
| ResultContentRelevanceAttribute |
Represents the value associated with the constant NSMetadataQueryResultContentRelevanceAttribute |
| ResultCount |
The number of results. |
| Results |
The result objects for this metadata query. |
| RetainCount |
Returns the current Objective-C retain count for the object. (Inherited from NSObject) |
| RightsKey | |
| SearchItems |
The array of items to which the search is scoped. |
| SearchScopes |
The search scopes of this query. |
| SecurityMethodKey | |
| Self | (Inherited from NSObject) |
| SortDescriptors |
The sort descriptors used by this query. |
| SpeedKey | |
| StarRatingKey | |
| StateOrProvinceKey | |
| StreamableKey | |
| SubjectKey | |
| Superclass | (Inherited from NSObject) |
| SuperHandle |
Handle used to represent the methods in the base class for this NSObject. (Inherited from NSObject) |
| TempoKey | |
| TextContentKey | |
| ThemeKey | |
| TimeSignatureKey | |
| TimestampKey | |
| TitleKey | |
| TotalBitRateKey | |
| UbiquitousDataScope |
Represents the value associated with the constant NSMetadataQueryUbiquitousDataScope |
| UbiquitousDocumentsScope |
Represents the value associated with the constant NSMetadataQueryUbiquitousDocumentsScope |
| UbiquitousItemContainerDisplayNameKey |
Represents the value associated with the constant NSMetadataUbiquitousItemContainerDisplayNameKey |
| UbiquitousItemDownloadingErrorKey |
Represents the value associated with the constant NSMetadataUbiquitousItemDownloadingErrorKey |
| UbiquitousItemDownloadingStatusKey |
Represents the value associated with the constant NSMetadataUbiquitousItemDownloadingStatusKey |
| UbiquitousItemDownloadRequestedKey |
Represents the value associated with the constant NSMetadataUbiquitousItemDownloadRequestedKey |
| UbiquitousItemHasUnresolvedConflictsKey |
Represents the value associated with the constant NSMetadataUbiquitousItemHasUnresolvedConflictsKey |
| UbiquitousItemIsDownloadedKey |
Developers should not use this deprecated property. Developers should use 'UbiquitousItemDownloadingStatusKey' instead. |
| UbiquitousItemIsDownloadingKey |
Represents the value associated with the constant NSMetadataUbiquitousItemIsDownloadingKey |
| UbiquitousItemIsExternalDocumentKey |
Represents the value associated with the constant NSMetadataUbiquitousItemIsExternalDocumentKey |
| UbiquitousItemIsSharedKey | |
| UbiquitousItemIsUploadedKey |
Represents the value associated with the constant NSMetadataUbiquitousItemIsUploadedKey |
| UbiquitousItemIsUploadingKey |
Represents the value associated with the constant NSMetadataUbiquitousItemIsUploadingKey |
| UbiquitousItemPercentDownloadedKey |
Represents the value associated with the constant NSMetadataUbiquitousItemPercentDownloadedKey |
| UbiquitousItemPercentUploadedKey |
Represents the value associated with the constant NSMetadataUbiquitousItemPercentUploadedKey |
| UbiquitousItemUploadingErrorKey |
Represents the value associated with the constant NSMetadataUbiquitousItemUploadingErrorKey |
| UbiquitousItemURLInLocalContainerKey |
Represents the value associated with the constant NSMetadataUbiquitousItemURLInLocalContainerKey |
| UbiquitousSharedItemCurrentUserPermissionsKey | |
| UbiquitousSharedItemCurrentUserRoleKey | |
| UbiquitousSharedItemMostRecentEditorNameComponentsKey | |
| UbiquitousSharedItemOwnerNameComponentsKey | |
| UbiquitousSharedItemPermissionsReadOnly | |
| UbiquitousSharedItemPermissionsReadWrite | |
| UbiquitousSharedItemRoleOwner | |
| UbiquitousSharedItemRoleParticipant | |
| UserHomeScope | |
| ValueListAttributes |
The value list attributes this query generates. |
| ValueLists |
The value lists generated by this query. |
| VersionKey | |
| VideoBitRateKey | |
| WeakDelegate |
An object that can respond to the delegate protocol for this type |
| WhereFromsKey | |
| WhiteBalanceKey | |
| 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) |
| AwakeFromNib() |
Called after the object has been loaded from the nib file. Overriders must call base.AwakeFromNib(). (Inherited from NSObject) |
| 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) |
| 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) |
| DangerousAutorelease() | (Inherited from NSObject) |
| DangerousRelease() | (Inherited from NSObject) |
| DangerousRetain() | (Inherited from NSObject) |
| 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) |
| DisableUpdates() |
Disables updates to the query results. |
| Dispose() |
Releases the resources used by the NSObject object. (Inherited from NSObject) |
| Dispose(Boolean) |
Releases the resources used by the NSMetadataQuery object. |
| DoesNotRecognizeSelector(Selector) |
Indicates that this object does not recognize the specified selector. (Inherited from NSObject) |
| EnableUpdates() |
Enables updates to the query results. |
| EnumerateResultsUsingBlock(NSMetadataQueryEnumerationCallback) |
Applies the callback to each of the results. |
| EnumerateResultsWithOptions(NSEnumerationOptions, NSMetadataQueryEnumerationCallback) |
Applies the callback block to each result, with the specified options. |
| 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) |
| 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) |
| IndexOfResult(NSObject) |
The index of the specified result. |
| Init() | (Inherited from NSObject) |
| InitializeHandle(IntPtr) | (Inherited from NSObject) |
| InitializeHandle(IntPtr, String) | (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) | (Inherited from NSObject) |
| PerformSelector(Selector, NSObject) | (Inherited from NSObject) |
| PerformSelector(Selector, NSObject, Double) |
Invokes the selector on the current instance and if the |
| PerformSelector(Selector, NSObject, Double, NSString[]) | (Inherited from NSObject) |
| PerformSelector(Selector, NSObject, NSObject) | (Inherited from NSObject) |
| PerformSelector(Selector, NSThread, NSObject, Boolean) | (Inherited from NSObject) |
| PerformSelector(Selector, NSThread, NSObject, Boolean, NSString[]) | (Inherited from NSObject) |
| PrepareForInterfaceBuilder() | (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, NSString, 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) |
| RemoveObserver(NSObject, String, IntPtr) |
Stops the specified observer from receiving further notifications of changed values for the specified keyPath and context. (Inherited from NSObject) |
| RespondsToSelector(Selector) |
Whether this object recognizes the specified selector. (Inherited from NSObject) |
| ResultAtIndex(nint) |
The result at the specified index. |
| SetNativeField(String, NSObject) |
Obsolete.
(Inherited from NSObject)
|
| SetNilValueForKey(NSString) |
Sets the value of the specified key to null. (Inherited from NSObject) |
| 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) |
| StartQuery() |
Attempts to start the query. Returns true on success. |
| StopQuery() |
Stops gathering further results. |
| 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)
|
| ValueForKey(NSString) |
Returns the value of the property associated with the specified key. (Inherited from NSObject) |
| 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) |
| ValueOfAttribute(String, nint) |
The value of the specified attributeName in the result at the specified index in the Results array. |
| 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) |