Method expand

modules/benchmarks/src/expanding_rows/expanding_row.ts:292–302

* Expands this row. This will notify the host so that it can collapse * previously expanded row. This function also emits onToggle @Output event * to the user code.

()

   * to the user code.
   */
  expand(): void {
    this.isExpanded = true;
    this.expandingRowHost.handleRowExpand(this);

    // setTimeout here makes sure we scroll this row into view after animation.
    setTimeout(() => {
      this.expandingRowMainElement.nativeElement.focus();
    });

    this.onToggle.emit({rowId: this.rowId, isExpand: true});
  }

  /**
   * Collapses this row. Setting isExpanded to false will make sure we hide