vb6 Sample Code Send SMS

Private Sub Command1_Click()

    Dim DataToSend As String
    Dim objXML As Object
    Dim message As String
    Dim authKey As String
    Dim mobiles As String
    Dim sender As String
    Dim route As String
    Dim URL As String


'Set these variables

authKey = "Your auth key";


mobiles  = "9999999999";


'Sender ID,While using route4 sender id should be 6 characters long.
sender = "TESTIN"; 


' this url encode function may not work fully functional.
message = URLEncode(" Your message ")


'Define route
route = "default" 
' do not use https 
URL = "http://control.msg91.com/api/sendhttp.php?" 
 

Set objXML = CreateObject("Microsoft.XMLHTTP")
objXML.Open "POST", URL , False
objXML.setRequestHeader "Content-Type", "application/x-www-form-urlencoded"
    
objXML.send "authkey=" + authKey + "&mobiles=" + mobiles + "&message=" + message + "&sender=" + sender + "&route=" + route


 If Len(objXML.responseText) > 0 Then
        MsgBox objXML.responseText
        
 End If
     
End Sub

Function URLEncode(ByVal Text As String) As String
    Dim i As Integer
    Dim acode As Integer
    Dim char As String
    
    URLEncode = Text
    
    For i = Len(URLEncode) To 1 Step -1
        acode = Asc(Mid$(URLEncode, i, 1))
        Select Case acode
            Case 48 To 57, 65 To 90, 97 To 122
                ' don't touch alphanumeric chars
            Case 32
                ' replace space with "+"
                Mid$(URLEncode, i, 1) = "+"
            Case Else
                ' replace punctuation chars with "%hex"
                URLEncode = Left$(URLEncode, i - 1) & "%" & Hex$(acode) & Mid$ _
                    (URLEncode, i + 1)
        End Select
    Next
    
End Function