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Improved MemoryStream handling in TileImageLoader

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This commit is contained in:
ClemensF 2012-07-27 18:47:57 +02:00
parent d368c9358c
commit 940d8bad62
1 changed files with 12 additions and 8 deletions
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20
MapControl/TileImageLoader.cs
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@ -247,14 +247,22 @@ namespace MapControl
}
using (HttpWebResponse response = (HttpWebResponse)request.GetResponse())
{
using (Stream responseStream = response.GetResponseStream())
{
buffer = new byte[(int)response.ContentLength];
using (MemoryStream memoryStream = new MemoryStream(buffer))
if (response.ContentLength > 0)
{
using (MemoryStream memoryStream = new MemoryStream((int)response.ContentLength))
{
responseStream.CopyTo(memoryStream);
buffer = memoryStream.GetBuffer();
}
}
else
{
using (MemoryStream memoryStream = new MemoryStream())
{
responseStream.CopyTo(memoryStream);
buffer = memoryStream.ToArray();
}
}
}
@ -263,8 +271,6 @@ namespace MapControl
}
catch (WebException ex)
{
buffer = null;
if (ex.Status == WebExceptionStatus.ProtocolError)
{
TraceInformation("{0} - {1}", tile.Uri, ((HttpWebResponse)ex.Response).StatusCode);
@ -280,8 +286,6 @@ namespace MapControl
}
catch (Exception ex)
{
buffer = null;
TraceWarning("{0} - {1}", tile.Uri, ex.Message);
}