https://forums.autodesk.com/t5/net-forum/how-to-build-a-null-spatial-filter/m-p/6222063#M36755 <P>Hello!</P><P>&nbsp;</P><P>My intention is to read a dwg file partially, just in a specified layer, but in all the locations in model space, as the ObjectARX Reference Guide said, a null&nbsp;pointer will result in no spatial filtering, so I wrote my code like this:</P><PRE>LayerFilter layFilter = new LayerFilter(); layFilter.Add("0"); db.ReadDwgFile(file, FileOpenMode.OpenForReadAndAllShare, true, null); db.ApplyPartialOpenFilters(null, layFilter); db.CloseInput(true);</PRE><P>but it doesn't work. Could anyone teach me that? Thanks a lot!&nbsp;</P> Fri, 18 Mar 2016 00:44:33 GMT Anonymous 2016-03-18T00:44:33Z https://forums.autodesk.com/t5/net-forum/how-to-build-a-null-spatial-filter/m-p/6222063#M36755 <P>Hello!</P><P>&nbsp;</P><P>My intention is to read a dwg file partially, just in a specified layer, but in all the locations in model space, as the ObjectARX Reference Guide said, a null&nbsp;pointer will result in no spatial filtering, so I wrote my code like this:</P><PRE>LayerFilter layFilter = new LayerFilter(); layFilter.Add("0"); db.ReadDwgFile(file, FileOpenMode.OpenForReadAndAllShare, true, null); db.ApplyPartialOpenFilters(null, layFilter); db.CloseInput(true);</PRE><P>but it doesn't work. Could anyone teach me that? Thanks a lot!&nbsp;</P> Fri, 18 Mar 2016 00:44:33 GMT https://forums.autodesk.com/t5/net-forum/how-to-build-a-null-spatial-filter/m-p/6222063#M36755 Anonymous 2016-03-18T00:44:33Z https://forums.autodesk.com/t5/net-forum/how-to-build-a-null-spatial-filter/m-p/6227495#M36756 <P>Hi! I am a new one here, can anybody help me out?</P> Tue, 22 Mar 2016 01:48:51 GMT https://forums.autodesk.com/t5/net-forum/how-to-build-a-null-spatial-filter/m-p/6227495#M36756 Anonymous 2016-03-22T01:48:51Z