Loading an image from the web in C#

using( WebClient wc = new WebClient() )
{
	Stream strm = null;
				
	try
	{
		strm = wc.OpenRead(url);
		return Image.FromStream(strm); 
	}
	catch
	{
		return null;
	}
	finally
	{
		if( strm != null )
			strm.Close();
	}
					
}

Private Sub MenuLoadingURL_Click()
    'You should add reference to Microsoft XML in order to use early binding
    'Dim xmlHTTP As New xmlHTTP
    
    Dim xmlHTTP
    On Error Resume Next
    Set xmlHTTP = CreateObject("Msxml2.XMLHTTP")
    If Err.Number <> 0 Then
        MsgBox "MSXML should be installed on computer to load from url."
        Exit Sub
    End If
    Err.Clear
    On Error GoTo 0
    
    Dim strImageURL As String
    strImageURL = InputBox("Please type image URL.", "Loading Image from URL", _
        "http://www.aurigma.com/images/primary/primary1.jpg")
    
    On Error GoTo Catch
    
    'Download file from URL
    xmlHTTP.open "GET", strImageURL, False
    xmlHTTP.send
    
    'Load image from stream
    BitmapViewer1.Bitmap.LoadFromStream xmlHTTP.responseStream
    
    Exit Sub
Catch:
    MsgBox "Error arrised during loading image."
End Sub

Dim webClient As New System.Net.WebClient
Dim stream As System.IO.Stream = webClient.OpenRead( _
    "http://www.aurigma.com/images/Rotated.png")
Dim bitmap As New Aurigma.GraphicsMill.Bitmap(stream)
stream.Close()
webClient.Dispose()

Aurigma.GraphicsMill.Bitmap bitmap = null;
using (System.Net.WebClient webClient = new System.Net.WebClient())
{
    using (System.IO.Stream stream = webClient.OpenRead( 
               @"http://www.aurigma.com/images/Rotated.png"))
    {
        bitmap = new Aurigma.GraphicsMill.Bitmap(stream);
    }
}