/// <summary>
/// Rebuilds the thumbnail cache.
/// Old thumbnails will be kept until they are overwritten
/// by new ones.
/// </summary>
public void Rebuild()
{
foreach (CacheItem item in thumbCache.Values)
{
item.State = CacheState.Unknown;
}
diskCache.Clear();
}
/// <summary>
/// Clears the thumbnail cache.
/// </summary>
public void Clear(bool cleanDiskCache = false)
{
foreach (CacheItem item in thumbCache.Values)
{
item.Dispose();
}
thumbCache.Clear();
if (rendererItem != null)
{
rendererItem.Dispose();
}
rendererItem = null;
bw.CancelAsync();
MemoryUsed = 0;
MemoryUsedByRemoved = 0;
removedItems.Clear();
processing.Clear();
processingRendererItem = Guid.Empty;
// Empty persistent cache
if (cleanDiskCache)
{
DiskCache.Clear();
}
}