Diego Guidi

> If we don't do the envelope test, the `PointLocation.IsInRing` test is performed more often which will lead to performance degeneration. yep now I see your point. curiously, from performance...

can be this PR cancelled, considering the discussion in #81, and in particular [this comment](https://github.com/NetTopologySuite/NetTopologySuite.IO.ShapeFile/issues/81#issuecomment-1074963902) ? Maybe part of this work can be added to #69 , if worthy

maybe related in someway to #39 and #52 (that were fixed in PR #53? can you add the sample data to test this issue?

> 字段名称是中文时乱码现在解决了没有? ?

> You can use QGIS to create a shapefile layer. please add the test data, and specify the version of the library that you use

Can you post in English?thanks

as you may notice (see the homepage) the development of this project has been discontinued: howewer I will do a check **IF** you will publish some test data (and not...

Only checking at the source code, error looks thrown in [this line](https://github.com/NetTopologySuite/NetTopologySuite.IO.ShapeFile/blob/develop/src/NetTopologySuite.IO.ShapeFile/Dbase/DbaseFileHeader.cs#L272) According to [DBF specs](http://www.dbfree.org/webdocs/1-documentation/b-dbf_header_specifications.htm) the first byte should be the DBase version number, so probably your file is...

not a big deal, but maybe we cah restore the original solution name `NetTopologySuite.IO.Shapefile.sln` instead of `NetTopologySuite.IO.Esri.sln`?

Thanks for the contribution. A totally minor issue: I see a lot of warnings and messages due to empty newline, whitespaces and unnecessary usings. some of then can be simply...