//-------------------------------------------
private void AddToDicImages(CCustomizableListItem item, CCacheImage cache)
{
m_dicItemToImage[item] = cache;
if (m_dicItemToImage.Count > m_nMaxImagesInCache)
{
//Supprime l'image la plus vieille
DateTime?dt = null;
KeyValuePair <CCustomizableListItem, CCacheImage>?toDelete = null;
foreach (KeyValuePair <CCustomizableListItem, CCacheImage> kv in m_dicItemToImage)
{
if (dt == null || kv.Value.LastAcces < dt.Value)
{
toDelete = kv;
dt = kv.Value.LastAcces;
}
}
if (toDelete != null)
{
if (toDelete.Value.Value.Image != null)
{
toDelete.Value.Value.Image.Dispose();
}
m_dicItemToImage.Remove(toDelete.Value.Key);
}
}
}
//-------------------------------------------
public void RefreshItem(CCustomizableListItem item)
{
if (item != null)
{
lock (typeof(CLockerImages))
{
CCacheImage cache = null;
if (m_dicItemToImage.TryGetValue(item, out cache))
{
if (cache.Image != null)
{
cache.Image.Dispose();
}
m_dicItemToImage.Remove(item);
}
}
}
}
//-------------------------------------------
public Image GetImage(CCustomizableListItem item, bool bKeepItemEnCours)
{
if (item == null)
{
return(null);
}
lock (typeof(CLockerImages))
{
CCacheImage cache = null;
if (m_dicItemToImage.TryGetValue(item, out cache))
{
if (cache.Image.Size == new Size(m_controle.Size.Width, item.Height != null?item.Height.Value : m_controle.Height))
{
cache.LastAcces = DateTime.Now;
return(cache.Image);
}
else
{
cache = null;
}
}
if (cache == null)
{
cache = new CCacheImage();
if (m_controle != null)
{
bool bOldEnEdition = m_bControlEnEdition;
m_bControlEnEdition = false;
cache.Image = m_controle.CreateImage(item, bKeepItemEnCours);
m_bControlEnEdition = bOldEnEdition;
if (cache.Image != null)
{
AddToDicImages(item, cache);
return(cache.Image);
}
}
}
}
return(null);
}
