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Update ImageFileCache.WPF.cs

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Fixed reading cache expiration
This commit is contained in:
Clemens 2020-01-07 11:10:16 +01:00
parent 9bda0a4088
commit 768c013169
1 changed files with 12 additions and 12 deletions
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24
MapControl/WPF/ImageFileCache.WPF.cs
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@ -108,23 +108,23 @@ namespace MapControl.Caching
try
{
var buffer = File.ReadAllBytes(path);
var expiration = DateTime.MinValue;
if (buffer.Length > 16 && Encoding.ASCII.GetString(buffer, buffer.Length - 16, 8) == "EXPIRES:")
{
expiration = new DateTime(BitConverter.ToInt64(buffer, buffer.Length - 8), DateTimeKind.Utc);
var expiration = new DateTime(BitConverter.ToInt64(buffer, buffer.Length - 8), DateTimeKind.Utc);
Array.Resize(ref buffer, buffer.Length - 16);
imageCacheItem = new ImageCacheItem
{
Buffer = buffer,
Expiration = expiration
};
memoryCache.Set(key, imageCacheItem, new CacheItemPolicy { AbsoluteExpiration = expiration });
//Debug.WriteLine("ImageFileCache: Reading {0}, Expires {1}", path, imageCacheItem.Expiration.ToLocalTime());
}
imageCacheItem = new ImageCacheItem
{
Buffer = buffer,
Expiration = expiration
};
memoryCache.Set(key, imageCacheItem, new CacheItemPolicy { AbsoluteExpiration = expiration });
//Debug.WriteLine("ImageFileCache: Reading {0}, Expires {1}", path, imageCacheItem.Expiration.ToLocalTime());
}
catch (Exception ex)
{