public void LoadImage(String imageUrl, String pageUrl, UIElement insertBefore = null, bool handlePinch = true, bool showViewerLink = true, String loadingText = null, String errorText = null)
{
ImageLoaderItem imageItem = new ImageLoaderItem();
Uri uri = new Uri(imageUrl);
string filename = System.IO.Path.GetFileName(uri.LocalPath);
imageItem.LoadingManager = this;
imageItem.ImageUrl = imageUrl;
imageItem.ImageFileName = filename;
imageItem.PageUrl = pageUrl;
imageItem.HandlePinch = handlePinch;
imageItem.ShowViewerLink = showViewerLink;
imageItem.FontColor = FontColor;
imageItem.FontSize = FontSize;
imageItem.MaxImageHeight = CalculateMaxImageHeight();
imageItem.MaxImageWidth = CalculateMaxImageWidth();
imageItem.NavigationService = Page.NavigationService;
imageItem.IsOffline = IsOffline;
imageItem.OfflineID = OfflineID;
imageItem.ShowButtons = ShowButtons;
imageItem.CacheImage = CacheImage;
imageItem.IsClub = IsClub;
if (loadingText != null)
{
imageItem.LoadingText = loadingText;
}
if (errorText != null)
{
imageItem.ErrorText = errorText;
}
int controlIndex = -1;
if (insertBefore != null)
{
controlIndex = DisplayPanel.Children.IndexOf(insertBefore);
}
else
{
controlIndex = DisplayPanel.Children.Count;
}
Items.Add(imageItem);
DisplayPanel.Children.Insert(controlIndex, imageItem.ImagePanel);
AddToQueue(imageItem);
}
public void LoadMoreImages(ImageLoaderItem imageItemToLoad, int imageCount)
{
int startIndex = Items.IndexOf(imageItemToLoad);
if(startIndex >= 0)
{
int endIndex = startIndex + imageCount - 1;
if(endIndex > (Items.Count - 1))
{
endIndex = Items.Count - 1;
}
if (_lowMemory)
{
RecycleMemoryForNewImage(startIndex, endIndex, imageCount);
}
for (int i = startIndex; i <= endIndex; i++)
{
Items[i].IgnoreMemoryLimit = true;
AddToQueue(Items[i]);
}
}
}
public void AddToQueue(ImageLoaderItem imageItem)
{
if (imageItem != null)
{
imageItem.ShowLoading();
_loadQueue.Enqueue(imageItem);
DownloadNextInQueue();
}
}