WPF

<Style x:Key="MyBtnTmpl" TargetType="Button">
    <Setter Property="Template">
        <Setter.Value>
            <ControlTemplate TargetType="Button">
                <Image Source="SomePath.png" Stretch="Fill"/>
            </ControlTemplate>
        </Setter.Value>
    </Setter>
</Style>

      Dim TextBlock As New TextBlock
      Dim Hyperlink As Hyperlink
      Dim UrlWithText() As String

      Dim SampleText As String = "sample http://google.com text http://yahoo.com"
      If Regex.Matches("sample http://google.com text http://yahoo.com", "(\bhttp://[^ ]+\b)").Count > 0 Then
          For i As Integer = 0 To Regex.Matches(SampleText, "(\bhttp://[^ ]+\b)").Count - 1

              Hyperlink = New Hyperlink() With {.NavigateUri = New Uri(Regex.Matches(SampleText, "(\bhttp://[^ ]+\b)").Item(i).Value)}
              Hyperlink.Inlines.Add(Hyperlink.NavigateUri.ToString)
              AddHandler Hyperlink.Click, AddressOf hyperLink_Click

              URLWithText = Regex.Split(SampleText, Regex.Matches(SampleText, "(\bhttp://[^ ]+\b)").Item(i).Value)

              Try
                  TextBlock.Inlines.Add(URLWithText(0))
                  TextBlock.Inlines.Add(Hyperlink)
                  TextBlock.Inlines.Add(URLWithText(1))
              Catch
              Finally
                  SampleText = TextBlock.Text
              End Try
              i += 1
          Next
      End If

Grid.Children.Add(TextBlock)