// 写数据到文件
public async Task WriteMenuCardAsync(MenuCard menuCard)
{
StorageFolder folder = ApplicationData.Current.RoamingFolder;
if (menuCard.IsDirty)
{
StorageFile storageFile = await folder.CreateFileAsync(
string.Format("MenuCards{0}.xml", menuCard.Title),
CreationCollisionOption.ReplaceExisting);
await WriteMenuCardToFileAsync(menuCard, storageFile);
menuCard.ClearDirty();
}
}
public MenuCard ToMenuCard()
{
var menuCard = new MenuCard
{
Title = this.Title,
Description = this.Description,
ImagePath = this.ImagePath
};
foreach (MenuItemData item in this.MenuItems)
{
menuCard.MenuItems.Add(item.ToMenuItem());
}
menuCard.ClearDirty();
return menuCard;
}