Method render

src/js/WinJS/Controls/Pivot/_Pivot.ts:1278–1308

()

    }

    render() {
        var pivot = this.pivot;
        if (pivot._pendingRefresh || !pivot._items) {
            return;
        }

        _Dispose._disposeElement(pivot._headersContainerElement);
        _ElementUtilities.empty(pivot._headersContainerElement);

        if (pivot._rtl) {
            pivot._headersContainerElement.style.marginLeft = "0px";
            pivot._headersContainerElement.style.marginRight = HeaderStateBase.headersContainerLeadingMargin + "px";
        } else {
            pivot._headersContainerElement.style.marginLeft = HeaderStateBase.headersContainerLeadingMargin + "px";
            pivot._headersContainerElement.style.marginRight = "0px";
        }
        pivot._viewportElement.style.overflow = pivot.items.length === 1 ? "hidden" : "";

        if (pivot.items.length) {
            for (var i = 0; i < pivot.items.length; i++) {
                var header = this.renderHeader(i, true);
                pivot._headersContainerElement.appendChild(header);

                if (i === pivot.selectedIndex) {
                    header.classList.add(_Constants._ClassNames.pivotHeaderSelected);
                }
            }

        }
        this._firstRender = false;
    }

    activateHeader(headerElement: HTMLElement) {
        this.setActiveHeader(headerElement);