- NSMetadataItem - NSMetadataItem() 
- NSMetadataItem(IntPtr) 
- NSMetadataItem(NativeHandle) 
- NSMetadataItem(NSObjectFlag) 
- NSMetadataItem(NSUrl) 
- AcquisitionMake 
- AcquisitionModel 
- Album 
- Altitude 
- Aperture 
- AppleLoopDescriptors 
- AppleLoopsKeyFilterType 
- AppleLoopsLoopMode 
- AppleLoopsRoot 
- ApplicationCategories 
- Attributes 
- Audiences 
- AudioBitRate 
- AudioChannelCount 
- AudioEncodingApplication 
- AudioSampleRate 
- AudioTrackNumber 
- AuthorAddresses 
- AuthorEmailAddresses 
- Authors 
- BitsPerSample 
- CameraOwner 
- CFBundleIdentifier 
- City 
- ClassHandle 
- Codecs 
- ColorSpace 
- Comment 
- Composer 
- ContactKeywords 
- ContentCreationDate 
- ContentModificationDate 
- ContentType 
- ContentTypeTree 
- Contributors 
- Copyright 
- Country 
- Coverage 
- Creator 
- DateAdded 
- DeliveryType 
- Description 
- Director 
- DisplayName 
- DownloadedDate 
- DownloadingStatus 
- DueDate 
- DurationSeconds 
- Editors 
- EmailAddresses 
- EncodingApplications 
- ExecutableArchitectures 
- ExecutablePlatform 
- ExifGpsVersion 
- ExifVersion 
- ExposureMode 
- ExposureProgram 
- ExposureTimeSeconds 
- ExposureTimeString 
- FileSystemContentChangeDate 
- FileSystemCreationDate 
- FileSystemName 
- FileSystemSize 
- FinderComment 
- FlashOnOff 
- FNumber 
- FocalLength 
- FocalLength35mm 
- Fonts 
- Genre 
- GpsAreaInformation 
- GpsDateStamp 
- GpsDestBearing 
- GpsDestDistance 
- GpsDestLatitude 
- GpsDestLongitude 
- GpsDifferental 
- GpsDop 
- GpsMapDatum 
- GpsMeasureMode 
- GpsProcessingMethod 
- GpsStatus 
- GpsTrack 
- HasAlphaChannel 
- Headline 
- Identifier 
- ImageDirection 
- Information 
- InstantMessageAddresses 
- Instructions 
- IsApplicationManaged 
- IsGeneralMidiSequence 
- IsLikelyJunk 
- IsoSpeed 
- IsUbiquitous 
- KeySignature 
- Keywords 
- Kind 
- Languages 
- LastUsedDate 
- Latitude 
- LayerNames 
- LensModel 
- Longitude 
- Lyricist 
- MaxAperture 
- MediaTypes 
- MeteringMode 
- MusicalGenre 
- MusicalInstrumentCategory 
- MusicalInstrumentName 
- NamedLocation 
- NumberOfPages 
- Organizations 
- Orientation 
- OriginalFormat 
- OriginalSource 
- PageHeight 
- PageWidth 
- Participants 
- Path 
- Performers 
- PhoneNumbers 
- PixelCount 
- PixelHeight 
- PixelWidth 
- Producer 
- ProfileName 
- Projects 
- Publishers 
- RecipientAddresses 
- RecipientEmailAddresses 
- Recipients 
- RecordingDate 
- RecordingYear 
- RedEyeOnOff 
- ResolutionHeightDpi 
- ResolutionWidthDpi 
- Rights 
- SecurityMethod 
- Speed 
- StarRating 
- StateOrProvince 
- Streamable 
- Subject 
- Tempo 
- TextContent 
- Theme 
- TimeSignature 
- Timestamp 
- Title 
- TotalBitRate 
- UbiquitousItemContainerDisplayName 
- UbiquitousItemDownloadingError 
- UbiquitousItemDownloadingStatus 
- UbiquitousItemDownloadRequested 
- UbiquitousItemHasUnresolvedConflicts 
- UbiquitousItemIsDownloading 
- UbiquitousItemIsExternalDocument 
- UbiquitousItemIsUploaded 
- UbiquitousItemIsUploading 
- UbiquitousItemPercentDownloaded 
- UbiquitousItemPercentUploaded 
- UbiquitousItemUploadingError 
- UbiquitousItemUrlInLocalContainer 
- Url 
- Version 
- VideoBitRate 
- WhereFroms 
- WhiteBalance 
- ValueForAttribute(String) 
- ValuesForAttributes(NSArray) 
 
net9.0-macos14.2
    namespace Foundation
{
    [Register("NSMetadataItem", true)]
    public class NSMetadataItem : NSObject
    {
        [SupportedOSPlatform("macos")]
        [UnsupportedOSPlatform("maccatalyst")]
        [UnsupportedOSPlatform("tvos")]
        [UnsupportedOSPlatform("ios")]
        public bool? HasAlphaChannel { get; }
    }
}
            | .NET | 6.07.08.09.0 | 
|---|---|
| Information specific to net9.0 | |
| Platforms | This API is only available when you target a specific platform: | 
| macOS | 10.1410.1510.1611.011.111.211.312.012.112.313.013.113.314.014.2 | 
| Information specific to net9.0-macos14.2 | |
| Assembly | Microsoft.macOS , Version=14.2.0.0, PublicKeyToken=84e04ff9cfb79065 | 
| Referencing | The API is automatically referenced. | 
| Platform Restrictions | The property getter is only supported on the following platforms: 
 | 
- Built-in API
- Package-provided API