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IReadOnlyRegionEdit Interface

Represents a set of read-only region editing operations (creating and removing read-only regions on an ITextBuffer.

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

Syntax

'宣言
Public Interface IReadOnlyRegionEdit _
    Inherits ITextBufferEdit, IDisposable
public interface IReadOnlyRegionEdit : ITextBufferEdit, 
    IDisposable
public interface class IReadOnlyRegionEdit : ITextBufferEdit, 
    IDisposable
type IReadOnlyRegionEdit =  
    interface
        interface ITextBufferEdit
        interface IDisposable
    end
public interface IReadOnlyRegionEdit extends ITextBufferEdit, IDisposable

The IReadOnlyRegionEdit type exposes the following members.

Properties

  Name Description
Public property Canceled Determines whether this edit has been canceled. (Inherited from ITextBufferEdit.)
Public property Snapshot Gets a snapshot of the ITextBuffer at the time this object was created. (Inherited from ITextBufferEdit.)

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Methods

  Name Description
Public method Apply Commits all the modifications made with this ITextBufferEdit object to the underlying ITextBuffer. It also causes the ITextBuffer to generate a new snapshot and raise its Changed event if any modifications were made. (Inherited from ITextBufferEdit.)
Public method Cancel Abandons all modifications started using this ITextBufferEdit object. Any further calls on this object will result in an InvalidOperationException. (Inherited from ITextBufferEdit.)
Public method CreateDynamicReadOnlyRegion Marks a span of text in this buffer as conditionally read-only, subject to a check performed when the region is queried. The span remains read-only until it is marked as writable or forced writable again.
Public method CreateReadOnlyRegion(Span) Marks a span of text in this buffer as read-only. The span remains read-only until the IReadOnlyRegion is removed.
Public method CreateReadOnlyRegion(Span, SpanTrackingMode, EdgeInsertionMode) Marks a span of text in this buffer as read-only. The span remains read-only until it is marked as writable or forced writable again.
Public method Dispose Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources. (Inherited from IDisposable.)
Public method RemoveReadOnlyRegion Removes the read-only region from the list of read-only regions in this buffer.

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Remarks

Editing positions are specified with respect to the state of the ITextBuffer at the time the IReadOnlyRegionEdit object was created.

At most one ITextBufferEdit object (including IReadOnlyRegionEdit objects) may be active at a given time for a particular ITextBuffer. A IReadOnlyRegionEdit is active as long as it has been neither applied nor canceled. Calling Dispose() on an unapplied IReadOnlyRegionEdit is equivalent to calling Cancel().

The operations performed using this object do not appear in the ITextBuffer until the Apply method has been called.

See Also

Reference

Microsoft.VisualStudio.Text Namespace