.. _vbnet:

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VB.NET Tutorial
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This basic tutorial explains how to use libLAS to read and write 
LIDAR data encoded in LAS file format from VB.NET.

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Hello world
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.. code-block:: python

 Imports System
 Imports System.Text
 Imports LibLAS
 Class Program
 	Private Shared Sub Main(args As String())
 		Try
 			Dim lasreader As New LASReader("F:\sample_in.las")
 			Dim laspoint As LASPoint
 			Dim lasheader As LASHeader = lasreader.GetHeader()
 			Dim laswriter As New LASWriter("F:\sample_out.las", lasheader, LASReadWriteMode.LASModeWrite)
 			Console.WriteLine("Number of points in file= {0}", lasheader.PointRecordsCount)
 			While lasreader.GetNextPoint()
 				laspoint = lasreader.GetPoint()
 				'Console.WriteLine(laspoint.X + "," + laspoint.Y + "," + laspoint.Z);
 				laswriter.WritePoint(laspoint)
 			End While
 		Catch e As LASException
 			Console.WriteLine("" & Chr(10) & "LASException! Msg: {0}", e.Message)
 		Catch
 			Console.WriteLine("Unknown exception caught")
 		Finally
 			Console.WriteLine("Do i need something to do?")
 		End Try
 		Console.WriteLine("End of file")
 		Console.Read()
 	End Sub
 End Class