使用文件流拷貝一個較大的多媒體文件:
public static void CopyFile(string soucre, string target)
{
using (FileStream fsRead = new FileStream(soucre, FileMode.Open, FileAccess.Read))
{
using (FileStream fsWrite = new FileStream(target, FileMode.OpenOrCreate, FileAccess.Write))
{
byte[] buffer = new byte[1024*1024];
while (true)
{
int r = fsRead.Read(buffer, 0, buffer.Length);
if (r == 0)
{
break;
}
fsWrite.Write(buffer, 0, r);
}
}
}
}