Imports Newtonsoft.Json
Imports System.Net
Imports System.Text


Public Class cJsonPost


    '    Dim jsonPost As New JsonPost("http://192.168.254.104:8000")
    '    Dim dictData As New Dictionary(Of String, Object)
    'dictData.Add("test_key", "test_value")
    'jsonPost.postData(dictData)



    Private urlToPost As String = ""

        Public Sub New(ByVal urlToPost As String)
            Me.urlToPost = urlToPost
        End Sub

        Public Function postData(ByVal dictData As Dictionary(Of String, Object)) As Boolean
            Dim webClient As New WebClient()
            Dim resByte As Byte()
            Dim resString As String
            Dim reqString() As Byte

            Try
                webClient.Headers("content-type") = "application/json"
                reqString = Encoding.Default.GetBytes(JsonConvert.SerializeObject(dictData, Formatting.Indented))
                resByte = webClient.UploadData(Me.urlToPost, "post", reqString)
                resString = Encoding.Default.GetString(resByte)
                Console.WriteLine(resString)
                webClient.Dispose()
                Return True
            Catch ex As Exception
                Console.WriteLine(ex.Message)
            End Try
            Return False
        End Function

    End Class