IBufferGraph.MapDownToBuffer Method (SnapshotSpan, SpanTrackingMode, ITextBuffer)

Maps a snapshot span in some buffer in the graph to a sequence of zero or more spans in a buffer that is lower in the graph. Source buffers are considered to be lower than the projection buffers that consume them.

Namespace:  Microsoft.VisualStudio.Text.Projection
Assembly:  Microsoft.VisualStudio.Text.Data (in Microsoft.VisualStudio.Text.Data.dll)

Syntax

声明
Function MapDownToBuffer ( _
    span As SnapshotSpan, _
    trackingMode As SpanTrackingMode, _
    targetBuffer As ITextBuffer _
) As NormalizedSnapshotSpanCollection
NormalizedSnapshotSpanCollection MapDownToBuffer(
    SnapshotSpan span,
    SpanTrackingMode trackingMode,
    ITextBuffer targetBuffer
)
NormalizedSnapshotSpanCollection^ MapDownToBuffer(
    SnapshotSpan span, 
    SpanTrackingMode trackingMode, 
    ITextBuffer^ targetBuffer
)
abstract MapDownToBuffer : 
        span:SnapshotSpan * 
        trackingMode:SpanTrackingMode * 
        targetBuffer:ITextBuffer -> NormalizedSnapshotSpanCollection 
function MapDownToBuffer(
    span : SnapshotSpan, 
    trackingMode : SpanTrackingMode, 
    targetBuffer : ITextBuffer
) : NormalizedSnapshotSpanCollection

Parameters

Return Value

Type: Microsoft.VisualStudio.Text.NormalizedSnapshotSpanCollection
A collection of zero or more snapshot spans in the target buffer to which the span maps.

Exceptions

Exception Condition
ArgumentNullException

span.Snapshot or targetBuffer is nulla null reference (Nothing in Visual Basic).

ArgumentOutOfRangeException

trackingMode is not a valid SpanTrackingMode.

.NET Framework Security

See Also

Reference

IBufferGraph Interface

MapDownToBuffer Overload

Microsoft.VisualStudio.Text.Projection Namespace