public TextureResource TextureResource {get; set;}

// read the jpeg into a buffer
//At 3.0 you need https://www.nuget.org/packages/Microsoft.Windows.Compatibility
//System.Drawing
System.Drawing.Image image = System.Drawing.Image.FromFile(@"C:\temp\myImageFile.jpg");
MemoryStream memoryStream = new MemoryStream();

System.Drawing.Imaging.ImageFormat format = System.Drawing.Imaging.ImageFormat.Jpeg;
image.Save(memoryStream, format);
byte[] imageBuffer = memoryStream.ToArray();

var jpgTexture = new JPEGTexture(imageBuffer);

// texture properties
int bpp = jpgTexture.BytesPerPixel;
int columnCount = jpgTexture.ColumnCount;
int rowCount = jpgTexture.RowCount;

// build the textureResource and the material
BasicMaterial material = new BasicMaterial();
material.TextureResource = new TextureResource(jpgTexture);

UncompressedTexture uncompressedTexture1 = new UncompressedTexture(new byte[10 * 12 * 3], 10, 12, 3);

// texture properties
int bpp = uncompressedTexture1.BytesPerPixel;
int columnCount = uncompressedTexture1.ColumnCount;
int rowCount = uncompressedTexture1.RowCount;

// build the textureResource and the material
TextureResource tr = new TextureResource(uncompressedTexture1);
BasicMaterial material = new BasicMaterial();
material.TextureResource = tr;