IUndoableTextChange Interface
Provides the base requirements for a single undoable text change unit.
public interface IUndoableTextChangeRemarks
This interface only stores the necessary information to reconstruct an ITextChange for undo/redo purposes.
Properties
CustomData
Custom data that can be persisted with the text change and restored when undo operations occur later on.
Description
The description of the contents of the text change, usually displayed in the user interface.
IsMerged
Indicates whether this text change is the result of a merge of two or more text changes.
bool IsMerged { get; }Property Value
- bool:
trueif this text change is the result of a merge of two or more text changes; otherwise,false.
Operations
The read-only list of ITextChangeOperation objects that make up this text change.
PostSelectionPositionRanges
The collection of sorted non-overlapping TextPositionRange objects that should be selected in the source view after the text change is applied.
ITextPositionRangeCollection? PostSelectionPositionRanges { get; set; }Property Value
PreSelectionPositionRanges
The collection of sorted non-overlapping TextPositionRange objects that were selected in the source view before the text change is applied.
ITextPositionRangeCollection? PreSelectionPositionRanges { get; set; }Property Value
RetainSelection
Indicates whether to prevent the caret from moving to the end of the text change in the active view.
bool RetainSelection { get; }Property Value
- bool:
trueif the caret move should be prevented; otherwise,false.
Type
An ITextChangeType indicating the type of change that was made.