Method _createChangeEvent

src/material/tabs/tab-group.ts:479–486

(index: number)

  }

  private _createChangeEvent(index: number): MatTabChangeEvent {
    const event = new MatTabChangeEvent();
    event.index = index;
    if (this._tabs && this._tabs.length) {
      event.tab = this._tabs.toArray()[index];
    }
    return event;
  }

  /**
   * Subscribes to changes in the tab labels. This is needed, because the @Input for the label is