/// <summary>
/// Returns the Icon of the specified size from the Cache.
/// </summary>
/// <param name="AFileName">File name of the Icon incl. full path</param>
/// <param name="AIconSize">Desired size of the Icon to be returned (should
/// this size not be availabe then the closest match will be returned).</param>
/// <returns>Icon of the specified size or the closest matching size.</returns>
public Bitmap GetIcon(string AFileName, TIconSize AIconSize)
{
Icon TheItem;
if (AFileName == null)
{
return(null);
}
else
{
AFileName = Path.GetFullPath(AFileName.Replace('\\', '/'));
try
{
TheItem = (Icon)this[AFileName + AIconSize.ToString()];
}
catch (KeyNotFoundException)
{
FLastIconRequestedWasReturnedFromCache = false;
throw new EIconNotInCacheException(String.Format(
"Icon with path {0} not yet loaded into cache; add it to the cache with AddIcon Method first", AFileName));
}
FLastIconRequestedWasReturnedFromCache = true;
return(TheItem.ToBitmap());
}
}
/// <summary>
/// Determines whether an Icon exists in the Cache.
/// </summary>
/// <param name="AFileName">File name of the Icon incl. full path</param>
/// <param name="AIconSize">size of the icon</param>
/// <returns>True if the icon exists in the Cache, otherwise false.</returns>
public bool ContainsIcon(string AFileName, TIconSize AIconSize)
{
if (AFileName == null)
{
return(false);
}
else
{
AFileName = Path.GetFullPath(AFileName.Replace('\\', '/'));
return(ContainsKey(AFileName + AIconSize.ToString()));
}
}
/// <summary>
/// Adds an Icon into the Cache.
/// </summary>
/// <param name="AFileName">File name of the Icon incl. full path</param>
/// <param name="AIconSize">define which size the icon should have</param>
public void AddIcon(string AFileName, TIconSize AIconSize)
{
if (AFileName == null)
{
return;
}
AFileName = Path.GetFullPath(AFileName.Replace('\\', '/'));
Icon icon = new Icon(AFileName, GetIconSize(AIconSize));
this.AddOrUpdate(AFileName + AIconSize.ToString(), icon, (AKey, AExistingValue) =>
{
return(AExistingValue);
});
}