ITextSnapshot.CreateTrackingSpan Method (Span, SpanTrackingMode, TrackingFidelityMode)

Creates a ITrackingSpan in this snapshot.

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

Syntax

'宣言
Function CreateTrackingSpan ( _
    span As Span, _
    trackingMode As SpanTrackingMode, _
    trackingFidelity As TrackingFidelityMode _
) As ITrackingSpan

ITrackingSpan CreateTrackingSpan(
    Span span,
    SpanTrackingMode trackingMode,
    TrackingFidelityMode trackingFidelity
)

ITrackingSpan^ CreateTrackingSpan(
    Span span, 
    SpanTrackingMode trackingMode, 
    TrackingFidelityMode trackingFidelity
)

abstract CreateTrackingSpan : 
        span:Span * 
        trackingMode:SpanTrackingMode * 
        trackingFidelity:TrackingFidelityMode -> ITrackingSpan 

function CreateTrackingSpan(
    span : Span, 
    trackingMode : SpanTrackingMode, 
    trackingFidelity : TrackingFidelityMode
) : ITrackingSpan

Parameters

• span
  Type: Microsoft.VisualStudio.Text.Span
  The span of text in this snapshot.

• trackingMode
  Type: Microsoft.VisualStudio.Text.SpanTrackingMode
  How the tracking span should react to changes at its boundaries.

• trackingFidelity
  Type: Microsoft.VisualStudio.Text.TrackingFidelityMode
  The tracking fidelity of the span.

Return Value

Type: Microsoft.VisualStudio.Text.ITrackingSpan
A non-null ITrackingSpan.

Exceptions

Exception	Condition
ArgumentOutOfRangeException	The end of the span is greater than the length of the text snapshot.

.NET Framework Security

• Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see Using Libraries from Partially Trusted Code.

See Also

Reference

ITextSnapshot Interface

CreateTrackingSpan Overload

Microsoft.VisualStudio.Text Namespace