private void ItemOnImageLoaded(ImageControl obj)
{
ImageLoadingPool.Remove(obj);
if (ImageWaitForLoadingPool.Any())
{
var item = ImageWaitForLoadingPool[0];
ImageWaitForLoadingPool.Remove(item);
ImageLoadingPool.Add(item);
item.ImageLoadEnd += ItemOnImageLoaded;
var unused = item.LoadImageAndDetailTask();
}
}
private void ItemOnImageLoaded(ImageControl obj)
{
ImageLoadingPool.Remove(obj);
if (ImageLoadingPool.Count == 0) // all image loaded
{
App.ShowMessage("图片加载完毕", 1);
}
else
{
var remain = ImageLoadingPool.Count + ImageWaitForLoadingPool.Count;
App.ShowMessage($"剩余 {remain} 张图片等待加载", 1);
}
if (ImageWaitForLoadingPool.Count > 0)
{
var item = ImageWaitForLoadingPool[0];
ImageWaitForLoadingPool.Remove(item);
ImageLoadingPool.Add(item);
item.ImageLoadEnd += ItemOnImageLoaded;
var unused = item.LoadImageAsync();
}
}