Interface HistoryContext

This object allows to access to some history functions

interface HistoryContext {
undoBlockBegin(): Symbol;
undoBlockFinish(blockId: Symbol): void;
}

Index

Methods

undoBlockBegin undoBlockFinish

Methods

undoBlockBegin

undoBlockBegin(): Symbol
Starts an undo block. All operations done inside this block will be undone together until a call to undoBlockFinish is called.

Returns Symbol
the block identifier
- Defined in index.d.ts:2269

undoBlockFinish

undoBlockFinish(blockId: Symbol): void
Ends the undo block started with undoBlockBegin
Parameters
- blockId: Symbol
  is the id returned by undoBlockBegin
Returns void
Example
```
historyContext.undoBlockFinish(blockId);
```
- Defined in index.d.ts:2280