Mega Code Archive
Write and then read back binary data
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/*
C#: The Complete Reference
by Herbert Schildt
Publisher: Osborne/McGraw-Hill (March 8, 2002)
ISBN: 0072134852
*/
// Write and then read back binary data.
using System;
using System.IO;
public class RWData {
public static void Main() {
BinaryWriter dataOut;
BinaryReader dataIn;
int i = 10;
double d = 1023.56;
bool b = true;
try {
dataOut = new
BinaryWriter(new FileStream("testdata", FileMode.Create));
}
catch(IOException exc) {
Console.WriteLine(exc.Message + "\nCannot open file.");
return;
}
try {
Console.WriteLine("Writing " + i);
dataOut.Write(i);
Console.WriteLine("Writing " + d);
dataOut.Write(d);
Console.WriteLine("Writing " + b);
dataOut.Write(b);
Console.WriteLine("Writing " + 12.2 * 7.4);
dataOut.Write(12.2 * 7.4);
}
catch(IOException exc) {
Console.WriteLine(exc.Message + "\nWrite error.");
}
dataOut.Close();
Console.WriteLine();
// Now, read them back.
try {
dataIn = new
BinaryReader(new FileStream("testdata", FileMode.Open));
}
catch(FileNotFoundException exc) {
Console.WriteLine(exc.Message + "\nCannot open file.");
return;
}
try {
i = dataIn.ReadInt32();
Console.WriteLine("Reading " + i);
d = dataIn.ReadDouble();
Console.WriteLine("Reading " + d);
b = dataIn.ReadBoolean();
Console.WriteLine("Reading " + b);
d = dataIn.ReadDouble();
Console.WriteLine("Reading " + d);
}
catch(IOException exc) {
Console.WriteLine(exc.Message + "Read error.");
}
dataIn.Close();
}
}
]]>