IIOStream.Seek

Syntax

Seek(Offset: Integer; Origin: SeekOrigin): Integer;

Parameters

Offset - offset in a stream.

Origin - parameter that determines a stream point that is used to get a new position.

Description

The Seek method sets a position in a stream taking into account offset parameters and stream positioning.

Example

Sub UserProc;
Var
    File1: IFileInfo;
    BinW: IBinaryWriter;
    Stream: IIOStream;
Begin
    File1 := New FileInfo.Attach("c:\1.dat");
    If File1.Exists Then
        BinW := File1.OpenBinaryWriter(False);
        Stream := BinW.Stream;
        Stream.Seek(Math.Int(Stream.Size / 2), SeekOrigin.Beginning);
        Stream.WriteByte(32);
        Stream.WriteByte(32);
    End If;
    Dispose File1;
End Sub UserProc;

After executing the example the cursor is placed in the middle of a stream, it is positioned relative to the beginning of a stream, then 2 bytes are written into the file.