WPF VB.Net

    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="BitmapProgramming" Height="300" Width="300"
    >

//File:Window.xaml.vb
Imports System
Imports System.Collections.Generic
Imports System.Text
Imports System.Windows
Imports System.Windows.Controls
Imports System.Windows.Data
Imports System.Windows.Documents
Imports System.Windows.Input
Imports System.Windows.Media
Imports System.Windows.Media.Imaging
Imports System.Windows.Shapes
Namespace BitmapProgramming
  Public Partial Class UseBitmapImage
    Inherits System.Windows.Window
    Public Sub New()
      InitializeComponent()
      Dim imageElement As New Image()
      imageElement.Source = New BitmapImage(New Uri("http://www.your host.com/a.jpg"))
      Me.Content = imageElement
    End Sub
  End Class
End Namespace