public void ComputeExtents(IEnumerable <ClassDefinition> classes)
{
using (FdoFeatureService service = _conn.CreateFeatureService())
{
IEnvelope env = service.ComputeEnvelope(classes);
if (env != null)
{
_view.LowerLeftX = env.MinX.ToString();
_view.LowerLeftY = env.MinY.ToString();
_view.UpperRightX = env.MaxX.ToString();
_view.UpperRightY = env.MaxY.ToString();
}
}
}