site:www.jschina.com.cn Mutual conversion between IStream and TStream

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;
end;
/////////////////// //// ///
uses
........................AxCtrls,ActiveX; //These two units must be added
The above has introduced the mutual conversion between site:www.jschina.com.cn IStream and TStream, including the content of site:www.jschina.com.cn. I hope it will be helpful to friends who are interested in PHP tutorials.