Mutual conversion between IStream and TStream_PHP tutorial

procedure TForm1.Button1Click(Sender: TObject);
var
memoStream,OleStream:TStream;
Stream : IStream;
begin
image1.Picture :=nil;
image2.Picture := nil;

//Show initial photo
image1.Picture.LoadFromFile('c:logo.bmp');
memoStream := TmemoryStream.Create;
try
//Save the photo as TmemoryStream
image1.Picture.Bitmap.SaveToStream(memoStream);
memoStream.Position:=0;

//Convert TmemoryStream to IStream
stream:=TStreamAdapter.Create(memoStream);

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

uses

............. AxCtrls,ActiveX; //These two units must be added



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truehttp: //www.bkjia.com/PHPjc/319330.htmlTechArticleprocedureTForm1.Button1Click(Sender:TObject); var memoStream,OleStream:TStream; Stream:IStream; begin image1.Picture :=nil; image2.Picture:=nil; //Display the initial photo image1.Picture....