Write a binary file

public bool WriteBinaryFile(string filePath, byte[] contents)
{
bool okok = true;

try
{
using (FileStream fs = new FileStream(filePath, FileMode.CreateNew))
{
using (BinaryWriter w = new BinaryWriter(fs))

{
w.Write(contents);
}

}
}
catch (IOException e)
{
okok = false;
}

return okok;

}