| Description |
|
Up to Count bytes are copied from ArrayOffset in the Bytes array to the current position in the stream. The stream position is updated accordingly.
|
| | Notes | An exception is raised if the bounds of the Bytes array are exceeded.
|
|
| Microsoft MSDN Links |
System.IO
System.IO.FileStream
|
|
|
| Writing the middle of a Byte array to the current stream |
program Project1;
{$APPTYPE CONSOLE}
uses
System.IO;
var
Stream : System.IO.FileStream;
ByteArray : Array of Byte;
ByteAsInt : Integer;
begin
// Create out FileStream to write to a text file
Stream := System.IO.FileStream.Create('C:\DelphiBasics.txt', FileMode.Create);
// Create our byte array
SetLength(ByteArray, 10);
// And fill it
ByteArray[0] := 65; // Ord(65) = 'A'
ByteArray[1] := 66;
ByteArray[2] := 67;
ByteArray[3] := 68;
ByteArray[4] := 69;
ByteArray[5] := 70;
ByteArray[6] := 71;
ByteArray[7] := 72;
ByteArray[8] := 73;
ByteArray[9] := 74;
// Now write the middle of the array to the stream
Stream.Write(ByteArray, 2, 5);
// Now seek to the start of the stream
Stream.Seek(0, SeekOrigin.Begin);
// Now display the contents
ByteAsInt := Stream.ReadByte;
while ByteAsInt > 0 do
begin
Console.WriteLine(Char(ByteAsInt));
ByteAsInt := Stream.ReadByte;
end;
// Close the stream
Stream.Close;
Console.Readline;
end.
| | Show full unit code | C
D
E
F
G
|
| |
|
|
|