NSMetadataQuery Class
Definition
Important
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A query of Spotlight metadata.
[Foundation.Register("NSMetadataQuery", true)]
public class NSMetadataQuery : Foundation.NSObject
type 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) |