gistfile1.cs

using System.IO;
using Microsoft.DirectX;
using Microsoft.DirectX.Direct3D;

private Image OpenImage(String filename)
{
    byte[] image = File.ReadAllBytes(filename);
    Stream stream = new MemoryStream(); 
           stream.Write(image,0,image.Length);
           stream.Position = 0;
           stream.SetLength(image.Length);
    
    PresentParameters presentParams = new PresentParameters();
    presentParams.Windowed   = true;
    presentParams.SwapEffect = SwapEffect.Discard;
    presentParams.AutoDepthStencilFormat = DepthFormat.D16;
    presentParams.EnableAutoDepthStencil = true;
    
    Device device = new Device(0, 
        DeviceType.Hardware, 
        this.imagePanel, 
        CreateFlags.SoftwareVertexProcessing, 
        presentParams
    );
    
    BaseTexture texture = TextureLoader.FromStream(device,stream);
    GraphicsStream gStream = TextureLoader.SaveToStream(ImageFileFormat.Bmp,texture);

    return new Bitmap(gStream);
}

private void TargaPictureBoxForm_Load(object sender, EventArgs e)
{
    Image i = OpenImage("flower.tga");
    displayPictureBox.Image = i;
}