private void UnloadFile()
{
if (holder.Source != null)
{
try
{
holder.Source = null;
var ss = AnimationBehavior.GetSourceStream(holder);
if (ss != null)
{
ss.Dispose();
}
}
catch (Exception e)
{
Console.WriteLine("Unload File Failed - " + e);
}
}
}
/// <summary>
/// GIFアニメ用に開いていたStreamを破棄
/// </summary>
private void StopGifAnimation()
{
var element = this.AssociatedObject;
if (element != null)
{
try
{
//前にGifアニメを再生していたら破棄
var prevStream = AnimationBehavior.GetSourceStream(element);
if (prevStream != null)
{
AnimationBehavior.SetSourceStream(element, null);
prevStream.Dispose();
}
}
catch
{
}
}
}
