Add in the namespace (above the public class form1) this:

Quote:Import System.Runtime.InteropServices

UNDER the public Class Form1 add this:

Quote:#region "Using Proxy"
<Runtime.InteropServices.DllImport("wininet.dll", SetLastError:=True)> _
Private Shared Function InternetSetOption(ByVal hInternet As IntPtr, ByVal dwOption As Integer, ByVal lpBuffer As IntPtr, ByVal lpdwBufferLength As Integer) As Boolean
End Function

Public Structure Struct_INTERNET_PROXY_INFO
Public DAType As Integer
Public PR As IntPtr
Public PRB As IntPtr
End Structure

Private Sub UseProxy(ByVal strProxy As String)
Const INTERNET_OPTION_PROXY As Integer = 38
Const INTERNET_OPEN_TYPE_PROXY As Integer = 3

Dim struct_IPI As Struct_INTERNET_PROXY_INFO

struct_IPI.DAType = INTERNET_OPEN_TYPE_PROXY
struct_IPI.PR = Marshal.StringToHGlobalAnsi(strProxy)
struct_IPI.PRB = Marshal.StringToHGlobalAnsi("local")

Dim intptrStruct As IntPtr = Marshal.AllocCoTaskMem(Marshal.SizeOf(struct_IPI))

Marshal.StructureToPtr(struct_IPI, intptrStruct, True)

Dim iReturn As Boolean = InternetSetOption(IntPtr.Zero, INTERNET_OPTION_PROXY, intptrStruct, System.Runtime.InteropServices.Marshal.SizeOf(struct_IPI))
End Sub
#end region