public static ImageProperty LoadProperty(IImageDecoder decoder, ImageTag property)
{
if (decoder == null)
{
throw new ArgumentNullException();
}
PropertyItem item = new PropertyItem();
uint cbProp;
decoder.GetPropertyItemSize(property, out cbProp);
IntPtr pProp = Marshal.AllocHGlobal((int)cbProp);
try
{
if (decoder.GetPropertyItem(property, cbProp, pProp) != 0)
{
return(null);
}
item = (PropertyItem)Marshal.PtrToStructure(pProp, typeof(PropertyItem));
return(LoadProperty(item));
}
finally
{
Marshal.FreeHGlobal(pProp);
}
}