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ITagAggregator<T> Interface

Definition

Aggregates all the tag providers in a buffer graph for the specified type of tag.

generic <typename T>
 where T : ITagpublic interface class ITagAggregator : IDisposable
public interface ITagAggregator<out T> : IDisposable where T : ITag
type ITagAggregator<'T (requires 'T :> ITag)> = interface
    interface IDisposable
Public Interface ITagAggregator(Of Out T)
Implements IDisposable

Type Parameters

T

The type of tag returned by the aggregator.

This type parameter is covariant. That is, you can use either the type you specified or any type that is more derived. For more information about covariance and contravariance, see Covariance and Contravariance in Generics.
Derived
Implements

Remarks

The default tag aggregator implementation also does the following: for each ITagger<T> over which it aggregates tags, if the tagger is IDisposable, call Dispose() on it when the aggregator is disposed or when the taggers are dropped. For example, you should call Dispose() when the content type of a text buffer changes or when a buffer is removed from the buffer graph.

Properties

BufferGraph

The buffer graph over which this aggregator operates.

Methods

GetTags(IMappingSpan)

Gets all the tags that intersect the specified span of the type of the aggregator.

GetTags(NormalizedSnapshotSpanCollection)

Gets all the tags that intersect the specified snapshotSpans of the type of the aggregator.

GetTags(SnapshotSpan)

Gets all the tags that intersect the specified span of the same type as the aggregator.

Events

BatchedTagsChanged

Occurs on idle after one or more TagsChanged events.

TagsChanged

Occurs when tags are added to or removed from providers.

Applies to