ITextSnapshot.CreateTrackingSpan Method (Int32, Int32, SpanTrackingMode)

Creates a ITrackingSpan in this snapshot.

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

Syntax

'Declaration
Function CreateTrackingSpan ( _
    start As Integer, _
    length As Integer, _
    trackingMode As SpanTrackingMode _
) As ITrackingSpan

ITrackingSpan CreateTrackingSpan(
    int start,
    int length,
    SpanTrackingMode trackingMode
)

ITrackingSpan^ CreateTrackingSpan(
    int start, 
    int length, 
    SpanTrackingMode trackingMode
)

abstract CreateTrackingSpan : 
        start:int * 
        length:int * 
        trackingMode:SpanTrackingMode -> ITrackingSpan

function CreateTrackingSpan(
    start : int, 
    length : int, 
    trackingMode : SpanTrackingMode
) : ITrackingSpan

Parameters

• start
  Type: Int32

  The starting position of the tracking span.

• length
  Type: Int32

  The length of the tracking span.

• trackingMode
  Type: Microsoft.VisualStudio.Text.SpanTrackingMode

  How the tracking span should react to changes at its boundaries.

Return Value

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

Exceptions

Exception	Condition
ArgumentOutOfRangeException	start is negative or greater than Length, or length is negative, or start plus length is less than start.

.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