public override IGraphCloneable Clone(CloneContext cloneContext)
{
DxfVertex2D dxfVertex2D = (DxfVertex2D)cloneContext.GetExistingClone((IGraphCloneable)this);
if (dxfVertex2D == null)
{
dxfVertex2D = new DxfVertex2D();
cloneContext.RegisterClone((IGraphCloneable)this, (IGraphCloneable)dxfVertex2D);
dxfVertex2D.CopyFrom((DxfHandledObject)this, cloneContext);
}
return((IGraphCloneable)dxfVertex2D);
}
