default.js

(function () {
	"use strict";

	// WinJS を使えるように設定
	var app = WinJS.Application;
	// Windows Runtime を使えるように設定
	var activation = Windows.ApplicationModel.Activation;

	// アプリ起動時に呼び出される
	app.onactivated = function (args) {
		// 起動状態を調べる
		if (args.detail.kind === activation.ActivationKind.launch) {
			// アプリケーション起動時の処理、または復帰後のアプリの復元
			if (args.detail.previousExecutionState !== activation.ApplicationExecutionState.terminated) {
				// TODO: This application has been newly launched. Initialize your application here.
			} else {
				// TODO: This application was suspended and then terminated.
				// To create a smooth user experience, restore application state here so that it looks like the app never stopped running.
			}
			args.setPromise(WinJS.UI.processAll());
		}
	};

 	// アプリ中断時に情報を保存したりする
	app.oncheckpoint = function (args) {
		// TODO: This application is about to be suspended. Save any state that needs to persist across suspensions here.
		// You might use the WinJS.Application.sessionState object, which is automatically saved and restored across suspension.
		// If you need to complete an asynchronous operation before your application is suspended, call args.setPromise().
	};

	app.start();
})();