MVC display a file icon in a view

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I want to extract the file icon from a locally stored file.

Home controller:

public byte[] Icon()
{
    Icon icon = System.Drawing.Icon.ExtractAssociatedIcon(@"C:/Users/Filip/Desktop/test.txt");

    Bitmap iconPng = icon.ToBitmap();

    using (System.IO.MemoryStream ms = new System.IO.MemoryStream())
    {
        iconPng.Save(ms, System.Drawing.Imaging.ImageFormat.Jpeg);
        return ms.ToArray();
    }
}

View:

< img src="@Url.Action("Icon", "Home")" />

Why is this not working? All im getting is a small picture of an X. What am i doing wrong?

Appreciate all the help you can give me, thanks!

Posted 9-Jun-14 0:41am

Filip Danielsson

Updated 9-Jun-14 1:24am

sankarsan parida

v2

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Comments

[no name] 9-Jun-14 6:58am

I really doubt that test.txt contains an image that you can extract an image from. http://msdn.microsoft.com/en-us/library/system.drawing.icon.extractassociatedicon.aspx

Filip Danielsson 9-Jun-14 7:02am

Oh have I completely misunderstood this? I want the fileimage from a file. A txt file has a notepad image, the image that you see when the file is stored on the desktop. I want that image, not something that is inside the file. Is this even possible to extract? Am i doing it all wrong? Thanks!

[no name] 9-Jun-14 7:27am

Yes, you are doing it wrong. You need to go read the documentation.

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Kornfeld Eliyahu Peter · Accepted Answer · 2014-06-09T01:35:00

By definition img element src attribute must have a url that points to an image...
In your case you push into it some binary value but img try to interpret it as url - that the reason for the X (missing image) picture.
There is a non-standard, but mostly supported way of pushing binary data into img element, but in that case the format is a bit different...

HTML

<img src="data:image/jpeg;base64{binary data in base64}" />

---
I've never done it in MVC, but have a sample in WebForms, that may give you the direction...

C#

//pic.aspx
public<pre> partial class Pic : Page
{
  protected override void OnLoad ( EventArgs e )
  {
    // get the image file from page query parameters
    byte[ ] bBuffer = File.ReadAllBytes( szPath );

    Response.Clear( );

    Response.Buffer = true;

    // send to browser
    Response.OutputStream.Write( bBuffer, 0, bBuffer.Length );

    Response.Flush( );

    Response.End( );</pre>
  }
}