public async Task ReturnContainerRev(ImgContainer container)
{
container.Cts?.Cancel();
CancellationTokenSource cts = new CancellationTokenSource();
container.Cts = cts;
Containers.ForEach(c => c.CurrentIndex += 1);
container.CurrentIndex = -numofBackwardContainer;
container.InitPos(CurrentSlideDirection);
ReleaseContainerImage(container);
ImagePool.ShiftForwardIndex(-container.NumofImage);
MapImageFileContextToContainer(container, true);
MainWindow.Current.UpdatePageInfo();
await container.LoadImage(cts.Token);
}
public async Task ReturnContainer(ImgContainer container)
{
// まだコンテナにTaskが残っているならキャンセル
container.Cts?.Cancel();
// キャンセルトークン作成
CancellationTokenSource cts = new CancellationTokenSource();
container.Cts = cts;
Containers.ForEach(c => c.CurrentIndex -= 1);
container.CurrentIndex = numofForwardContainer;
container.InitPos(CurrentSlideDirection);
ReleaseContainerImage(container);
ImagePool.ShiftBackwardIndex(container.NumofImage);
MapImageFileContextToContainer(container, false);
MainWindow.Current.UpdatePageInfo();
await container.LoadImage(cts.Token);
}