Hi,
您可以分为以下几步：
#先将这个zip文件解压
#然后将图片添加到解压后的文件夹内
#最后将文件夹压缩
请参考以下代码如果将图片文件添加到文件夹内：
private async void Button_Click(object sender, RoutedEventArgs e)
{
StorageFile imagefile = await KnownFolders.PicturesLibrary.GetFileAsync("image.jpg");
StorageFolder zipfloder = await ApplicationData.Current.LocalFolder.CreateFolderAsync("zipfloder.zip", CreationCollisionOption.OpenIfExists);
if (zipfloder != null && imagefile !=null)
{
await imagefile.CopyAsync(zipfloder, imagefile.Name, NameCollisionOption.GenerateUniqueName);
}
关于如果解压缩zip文件您还可以参考以下链接：
http://social.msdn.microsoft.com/Forums/zh-CN/1ab0f22b-b48d-4dcd-a8c4-db9f1fff53fc/cmetro-zip?forum=winstoreappzhcn
祝您好运！
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