// 增加一个文件夹引用到图片库
private async void btnAddFolder_Click(object sender, RoutedEventArgs e)
{
Windows.Storage.StorageLibrary picturesLibrary = await Windows.Storage.StorageLibrary.GetLibraryAsync(KnownLibraryId.Pictures);
// 弹出文件夹选择器，以选择需要添加到图片库的文件夹
StorageFolder addedFolder = await picturesLibrary.RequestAddFolderAsync();
if (addedFolder != null)
{
// 添加成功
_addedFloders.Add(addedFolder);
}
else
{
}
}
// 从图片库移除之前添加的全部文件夹引用
private async void btnRemoveFolder_Click(object sender, RoutedEventArgs e)
{
Windows.Storage.StorageLibrary picturesLibrary = await Windows.Storage.StorageLibrary.GetLibraryAsync(KnownLibraryId.Pictures);
foreach (StorageFolder folder in _addedFloders)
{
// 从图片库移除指定的文件夹引用
if (await picturesLibrary.RequestRemoveFolderAsync(folder))
{
// 移除成功
}
else
{
}
}
}
protected async override void OnNavigatedTo(NavigationEventArgs e)
{
// 注意：要想访问图片库，别忘了增加 <Capability Name="picturesLibrary" />
// 获取图片库的 StorageLibrary 对象
Windows.Storage.StorageLibrary picturesLibrary = await Windows.Storage.StorageLibrary.GetLibraryForUserAsync(null, KnownLibraryId.Pictures);
// 当前库所包含的文件夹增多或减少时
picturesLibrary.DefinitionChanged += async(Windows.Storage.StorageLibrary innerSender, object innerEvent) =>
{
await Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, () =>
{
lblMsg.Text = "图片库所包含的文件夹如下：";
foreach (StorageFolder folder in picturesLibrary.Folders) // 当前库所包含的全部文件夹
{
lblMsg.Text += Environment.NewLine;
lblMsg.Text += folder.Path;
}
});
};
base.OnNavigatedTo(e);
}
private async void GetPicturesFolderAsync()
{
Windows.Storage.StorageLibrary picturesStorage = await Windows.Storage.StorageLibrary.GetLibraryAsync(Windows.Storage.KnownLibraryId.Pictures);
pictureFolderPath = picturesStorage.SaveFolder.Path;
}