/// <summary>
/// Removes the specified image from the system, and then calls
/// SourceImageFactory to remove the image from the reference file.
/// </summary>
/// <param name="imageName">The file name, including file extension, to be removed.</param>
public void removeImage(string imageName)
{
if (imageList.ContainsKey(imageName))
{
sourceImageFactory.removeImage(imageName);
imageList.Remove(imageName);
}
}
