public void Dispose()
{
try
{
IMapRuntime r = _environment as IMapRuntime;
if (r != null && r.RuntimeExchanger != null)
{
r.RuntimeExchanger.RemoveLayer(this);
}
if (_class != null)
{
_class.Dispose();
}
if (_featureRender != null)
{
_featureRender.Dispose();
}
}
finally
{
_disposed = true;
}
}