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; Mem.Position := 0; Mem.Write(buf, SizeOf(...
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...
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...
Memo1.Lines.Append(sTmp);end;procedureTForm1.Button3Click(Sender: TObject);varstream : TMemoryStream; dArr1 :arrayofByte;//动态数组dArr2 :arrayofByte;//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 : TByte...
sTmp := sTmp + IntToStr(pB^) + ' '; Inc(pB); end; Memo1.Lines.Append('以指针访问动态数组的内容'); Memo1.Lines.Append(sTmp); end; procedure TForm1.Button3Click(Sender: TObject); var stream : TMemoryStream; dArr1 : array of Byte; //动态数组 ...
//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...
aStream: TMemorystream; //定义内存流 header: TBITMAPINFO; //定义位图信息头 dc: hDC; //定义设备DC P: ^THelpRGB; //定义一个THelpRGB 类型的指针 x, y, b, h: Integer; RowOut: pRGBArray; //字节数组指针 Begin //创建一个内存流对象 aStream := TMemoryStream.Create; (下转到103 页) ...
CRCTable: array[0..255] of Integer;f: TMemoryStream;p: PChar;Temp1, Temp2: byte;strFileName: string;begin result := '';for i := 0 to 255 do begin crc := i;for j := 0 to 7 do begin if Boolean(crc and 1) then crc := Cardinal(crc shr 1) xor $EDB88320 else...