C# FileStream.ReadToEnd方法代码示例

        /// <summary>
        /// Create the stream object
        /// </summary>
        /// <param name="asm">The assembly to read or write</param>
        public ApplicationStream(Assembly asm)
        {
            this.assembly = asm;

            this.tmpContentFile = Path.GetTempFileName();
            new FileInfo(tmpContentFile).DeleteOnExit();

            this.tmpAssemblyFile = Path.GetTempFileName();
            new FileInfo(tmpAssemblyFile).DeleteOnExit();

            File.Copy(assembly.Location, tmpAssemblyFile, true);

            //Out file (Assembly)
            using (FileStream tmpOut = new FileStream(tmpAssemblyFile, FileMode.Open))
            {
                //In file (Temporary)
                using (FileStream tmpIn = new FileStream(tmpContentFile, FileMode.Create))
                {
                    int read = 0;
                    uint counter = 0;

                    //Search pasttern
                    while (tmpOut.Length > tmpOut.Position)
                    {
                        //Read byte
                        read = tmpOut.ReadByte();
                        //Byte is the signature byte (dependence of counter state)
                        if (read == signature[counter])
                        {
                            counter++; //Add counter (goon in signature byte array)
                            if (counter >= signature.Length) //Is counter full (end of signature byte array)
                            {
                                //Copy to tmp stream
                                byte[] buffer = tmpOut.ReadToEnd();
                                tmpIn.Write(buffer, 0, buffer.Length);
                                //Clear data from exe (cut it)
                                long length = buffer.Length + signature.Length;
                                tmpOut.SetLength(tmpOut.Length - length);
                                //Break while
                                break;
                            }
                        }
                        else //Byte is not the signature byte
                            counter = 0; //Reset counter (search signature from start)
                    }

                    tmpIn.Close();
                }
                tmpOut.Close();
            }

            //Set stream to temporary file
            this.stream = new FileStream(tmpContentFile, FileMode.Open);
        }

 /// <summary>
 /// An event handler called when setting the key for a PlanetLab slice.
 /// </summary>
 /// <param name="sender">The sender object.</param>
 /// <param name="e">The event arguments.</param>
 private void OnSetKey(object sender, EventArgs e)
 {
     // Open the dialog.
     if (this.openFileDialog.ShowDialog(this) == DialogResult.OK)
     {
         try
         {
             // Open the file.
             using (FileStream fileStream = new FileStream(this.openFileDialog.FileName, FileMode.Open))
             {
                 // Set the key data.
                 this.config.Key = fileStream.ReadToEnd();
             }
         }
         catch (Exception exception)
         {
             // Show an error dialog if an exception is thrown.
             MessageBox.Show("Could not open the RSA key file. {0}".FormatWith(exception.Message), "Cannot Open File", MessageBoxButtons.OK, MessageBoxIcon.Error);
         }
     }
 }

 /// <summary>
 /// An event handler called when loading the data from a file.
 /// </summary>
 /// <param name="sender">The sender object.</param>
 /// <param name="e">The event arguments.</param>
 private void OnLoadKey(object sender, EventArgs e)
 {
     // Set the dialog filer.
     this.openFileDialog.Filter = "All files (*.*)|*.*";
     // Open the dialog.
     if (this.openFileDialog.ShowDialog(this) == DialogResult.OK)
     {
         try
         {
             // Open the file.
             using (FileStream fileStream = new FileStream(this.openFileDialog.FileName, FileMode.Open))
             {
                 // Get the key data.
                 this.sshKey = fileStream.ReadToEnd();
                 // Set the key data as a string to the text box.
                 this.textBoxKey.Text = this.sshKey != null ? Encoding.UTF8.GetString(this.sshKey).Replace("\n", Environment.NewLine) : string.Empty;
             }
         }
         catch (Exception exception)
         {
             // Show an error dialog if an exception is thrown.
             MessageBox.Show("Could not open the RSA key file. {0}".FormatWith(exception.Message), "Cannot Open File", MessageBoxButtons.OK, MessageBoxIcon.Error);
         }
     }
 }