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WriteTo  
Method  
Writes the complete current Memory Stream to another stream
MemoryStream Class
System.IO NameSpace
CF1.  Function WriteTo ( TargetStream ) : Stream;
CF : Methods with this mark are Compact Framework Compatible
Description
All bytes in the current memory Stream are written to the TargetStream. This can be any stream that inherits from Syystem.IO.Stream
Microsoft MSDN Links
System.IO
System.IO.MemoryStream
 
 
Copying from one Memory Stream to another
// Full Unit code.
// -------------------------------------------------------------
// Create a new WinForm application, double click the form to
// create an OnLoad event, and then replace the WinForm unit
// with this text.
 
unit WinForm;
 
interface
 
uses
  System.Drawing, System.Collections, System.ComponentModel,
System.Windows.Forms, System.Data;
 
type
  TWinForm = class(System.Windows.Forms.Form)
  \{REGION 'Designer Managed Code'\} // Note that REGION and ENREGION should be prefixed by a dollar sign
  strict private
    ///
    /// Required designer variable.
    ///

    Components: System.ComponentModel.Container;
    ///
    /// Required method for Designer support - do not modify
    /// the contents of this method with the code editor.
    ///

    procedure InitializeComponent;
    procedure TWinForm_Load(sender: System.Object; e: System.EventArgs);
  {ENDREGION}
  strict protected
    ///
    /// Clean up any resources being used.
    ///

    procedure Dispose(Disposing: Boolean); override;
  private
    { Private Declarations }
  public
    constructor Create;
  end;
 
  [assembly: RuntimeRequiredAttribute(TypeOf(TWinForm))]
 
implementation
 
\{REGION 'Windows Form Designer generated code'\}
///
/// Required method for Designer support -- do not modify
/// the contents of this method with the code editor.
///

 
 
procedure TWinForm.InitializeComponent;
begin
  //
  // TWinForm
  //
  Self.AutoScaleBaseSize := System.Drawing.Size.Create(5, 13);
  Self.ClientSize := System.Drawing.Size.Create(292, 266);
  Self.Name := 'TWinForm';
  Self.Text := 'WinForm';
  Include(Self.Load, Self.TWinForm_Load);
end;
{ENDREGION}
 
procedure TWinForm.Dispose(Disposing: Boolean);
begin
  if Disposing then
  begin
    if Components <> nil then
      Components.Dispose();
  end;
  inherited Dispose(Disposing);
end;
 
constructor TWinForm.Create;
begin
  inherited Create;
  //
  // Required for Windows Form Designer support
  //
  InitializeComponent;
  //
  // TODO: Add any constructor code after InitializeComponent call
  //
end;
 
procedure TWinForm.TWinForm_Load(sender: System.Object; e: System.EventArgs);
program Project1;
{$APPTYPE CONSOLE}

uses
  System.IO;

var
  Memory1, Memory2 : System.IO.MemoryStream;
  ByteAsInteger    : Integer;

begin
  // Create our Memory Stream Writers
  Memory1 := System.IO.MemoryStream.Create;
  Memory2 := System.IO.MemoryStream.Create;

  // Write to the 1st stream
  Memory1.WriteByte(1);
  Memory1.WriteByte(2);
  Memory1.WriteByte(3);

  // Write the contents to a second memory stream
  Memory1.WriteTo(Memory2);

  // Position at the start of the 2nd stream
  Memory2.Seek(0, SeekOrigin.Begin);

  // Now display the stream contents
  ByteAsInteger := Memory2.ReadByte;

  while ByteAsInteger >= 0 do
  begin
    Console.WriteLine(ByteAsInteger.ToString);
    ByteAsInteger := Memory2.ReadByte;
  end;

  // Close the streams
  Memory1.Close;
  Memory2.Close;

  Console.Readline;
end.
 
end.
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