MemoryStream ms = new MemoryStream(bytes); ms.Position = 0; Image img = Image.FromStream(ms); ms.Close(); this.pictureBox1.Image

System.Text.UnicodeEncoding converter = new System.Text.UnicodeEncoding(); byte[] inputBytes =converter.GetBytes(inputString); string inputString = converter.GetString(inputBytes);

string inputString = System.Convert.ToBase64String(inputBytes); byte[] inputBytes = System.Convert.FromBase64String(inputString); FileStream fileStream = new FileStream(fileName, FileMode.Open, FileAccess.Read, FileShare.Read);

public byte[] StreamToBytes(Stream stream) {   byte[] bytes = new byte[stream.Length];   stream.Read(bytes, 0, bytes.Length);   // 設(shè)置當(dāng)前流的位置為流的開始   stream.Seek(0, SeekOrigin.Begin);   return bytes; } 

public Stream BytesToStream(byte[] bytes) {   Stream stream = new MemoryStream(bytes);   return stream; }

public void StreamToFile(Stream stream,string fileName) {   // 把 Stream 轉(zhuǎn)換成 byte[]   byte[] bytes = new byte[stream.Length];   stream.Read(bytes, 0, bytes.Length);   // 設(shè)置當(dāng)前流的位置為流的開始   stream.Seek(0, SeekOrigin.Begin);   // 把 byte[] 寫入文件   FileStream fs = new FileStream(fileName, FileMode.Create);   BinaryWriter bw = new BinaryWriter(fs);   bw.Write(bytes);   bw.Close();   fs.Close(); }

public Stream FileToStream(string fileName) {         // 打開文件   FileStream fileStream = new FileStream(fileName, FileMode.Open, FileAccess.Read, FileShare.Read);   // 讀取文件的 byte[]   byte[] bytes = new byte[fileStream.Length];   fileStream.Read(bytes, 0, bytes.Length);   fileStream.Close();   // 把 byte[] 轉(zhuǎn)換成 Stream   Stream stream = new MemoryStream(bytes);   return stream; }

Bitmap BitReturn = new Bitmap(); byte[] bReturn = null; MemoryStream ms = new MemoryStream(); BitReturn.Save(ms, System.Drawing.Imaging.ImageFormat.Png); bReturn = ms.GetBuffer();