AppCaptureMetadataWriter.RemainingStorageBytesAvailable Property
Definition
Important
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Gets the number of bytes remaining in the storage space allocated by the system for app capture metadata items.
public:
property unsigned long long RemainingStorageBytesAvailable { unsigned long long get(); };uint64_t RemainingStorageBytesAvailable();public ulong RemainingStorageBytesAvailable { get; }var uInt64 = appCaptureMetadataWriter.remainingStorageBytesAvailable;Public ReadOnly Property RemainingStorageBytesAvailable As ULongProperty Value
The number of bytes remaining for metadata storage.
Remarks
Because historical app capture is supported, the system accumulates metadata written with AppCaptureMetadataWriter even when not actively capturing or broadcasting. When, for example, a capture of the previous 30 seconds is written to a video file on disk, the metadata associated with the recorded time window is included in the file. The system imposes a limit on the storage space that is allocated per app for storing accumulated metadata. You can get the currently available storage space by checking the RemainingStorageBytesAvailable property.
When the all of the allotted space has been filled, the system will begin purging metadata using the AppCaptureMetadataPriority value, specified when the metadata items were written, and the age of each item in order to delete the oldest, least important data first. When this occurs, the MetadataPurged event is raised. In response to this event, you may choose to reduce the amount of metadata your app is writing, but this is not required.