var Mem: TMemoryStream; buf:array[0..3285] of Byte; // 下界为0所以减1begin Mem := TMemoryStream.Create; Mem.LoadFromFile('abc.dat'); // 读入处理 FillChar(buf, SizeOf(buf), 0); Mem.Position := 0; Mem.Read(buf, SizeOf(buf)); // 写入 Mem.Clear; Me...
output_stream: TMemoryStream; password:String; begin password:='test_password123'; http_download_stream := TMemoryStream.Create; output_stream := TMemoryStream.Create; try http_download_stream := download_file_to_stream('http://localhost:8080/docs/1_encrypted.jpg', http_download_stream); http_d...
Data:array[0..255]ofByte;beginStream := TMemoryStream.Create;try//写入数据Stream.Write(Data, SizeOf(Data));//移动指针到开头Stream.Seek(0, soBeginning);//读取数据Stream.Read(Data, SizeOf(Data));finallyStream.Free;end;end; 需要注意的是,在使用 TMemoryStream 时,需要注意内存的使用情况,使用结束...
function OleVariantToMemoryStream(OV: OleVariant): TMemoryStream; var Data: PByteArray; Size: integer; begin Result := TMemoryStream.Create; try Size := VarArrayHighBound(OV, 1) - VarArrayLowBound(OV, 1) + 1; Data := VarArrayLock(OV); try Result.Position := 0; Result.WriteBuffer(Data...
stream:TMemoryStream; arr:array of byte; begin stream := TMemorystream.create; TBlobField(qry_for_show.FieldByName('word')).SaveToStream(blb_tmp); stream.Seek(0,soFromBeginning); setlength(arr,stream.size); stream.readbuffer(arr,stream.size); ...
//preparebytearraysrcbuf := BytesOf(str); //compress to buff (System.ZLib) ZCompress(srcbuf, destbuf, zcMax); //prepareresponsestreamandsetcontentencodingandtypeResponse.Content :=''; Response.ContentStream := TMemoryStream.Create; Response.ContentEncoding := 'deflate'; ...
Stream: TMemoryStream; RemoteVer:string; begin HTTP := TIdHTTP.Create(nil); Stream := TMemoryStream.Create;trytryHTTP.Get('http://yourserver.com/version.txt', Stream); Stream.Position :=0; RemoteVer := ReadStringFromStream(Stream);ifCompareVersion(GetLocalVersion, RemoteVer) < 0 then ...
stream : TMemoryStream; dArr1 : array of Byte; //动态数组 dArr2 : array of Byte; //TBytes其实就是array of Byte,但是有了新名字,编译器就可找到以TBytes为参数 //类型的重载函数了,这就是重新定义一个名字的意义 //dArr1 : TBytes; //动态数组 //dArr2 : TBytes; i : integer; sTmp : st...
StreamToVariant(TMemoryStream(VObject),Result) else raise Exception.CreateFmt('不支持对象类型:%s!请将其转换为 varray of byte ', [VObject.ClassName]); end; vtClass: begin raise Exception.CreateFmt('不支持Class类型:%s! ', ['vtClass']); ...
ms: TMemoryStream; ss: TStringStream; begin ifLength(names) <> Length(values)then raiseException.Create('UploadFilesHttpPost: Names and Values must have the same length.') ; ifLength(nFiles) <> Length(vFiles)then raiseException.Create('UploadFilesHttpPost: FileNames and FileValues must have...