IStream与TStream之间的相互转换_PHP教程

procedure TForm1.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

http://www.bkjia.com/PHPjc/319330.htmlwww.bkjia.comtruehttp://www.bkjia.com/PHPjc/319330.htmlTechArticleprocedureTForm1.Button1Click(Sender:TObject); var memoStream,OleStream:TStream; Stream:IStream; begin image1.Picture:=nil; image2.Picture:=nil; //显示初始照片 image1.Picture....