procedureTForm1.Button1Click(Sender:TObject);
var
memoStream,OleStream:TStream;
Stream:IStream;
begin
image1.Picture:=nil;
image2.Picture:=nil;

//显示初始照片
image1.Picture.LoadFromFile('c:\logo.bmp');
memoStream:=TmemoryStream.Create;
try
//将照片保存为TmemoryStream
image1.Picture.Bitmap.SaveToStream(memoStream);
memoStream.Position:=0;

//将TmemoryStream转成IStream
stream:=TStreamAdapter.Create(memoStream);

//将IStream转成TOleStream==TmemoryStream
OleStream:=TOleStream.Create(Stream);
image2.Picture.Bitmap.LoadFromStream(OleStream);
finally
memoStream.Free;
OleStream.Free;
end;
end;


///////////////////////////

uses

....................AxCtrls,ActiveX;//必加此二单元