API REFERENCE

historyChanged

Emitted when undo/redo history changes. Update button availability and current depths.

What does this API do?

Emitted when undo/redo history changes. Update button availability and current depths.

Exact input and result types

typescript

historyChanged: GridHistoryChangedDetail

Usage flow

Subscribe with grid.addEventListener('historyChanged', handler). The result is in event.detail, and event names are case-sensitive. Remove subscriptions when disposing of the view.

javascript

const controller = new AbortController();
grid.addEventListener('historyChanged', event => {
  console.log(event.detail);
}, { signal: controller.signal });
// On view disposal: controller.abort();

Read related types

GridHistoryChangedDetail

Feature explanations and examples

Edit history
Undo or redo recorded editing transactions. One operation may contain multiple cell changes, so cell counts and history counts are not necessarily equal.