public static void CopyFile(FileInfo source, FileInfo destination,
Statements.FileCopyOptions options, CopyFileHandler callback, object state)
{
if (source == null)
{
throw new ArgumentNullException("source");
}
if (destination == null)
{
throw new ArgumentNullException("destination");
}
new FileIOPermission(FileIOPermissionAccess.Read, source.FullName).Demand();
new FileIOPermission(FileIOPermissionAccess.Write, destination.FullName).Demand();
CopyProgressRoutine cpr = (callback == null) ? null : new CopyProgressRoutine(
new CopyProgressData(source, destination, callback, state).CallbackHandler);
bool cancel = false;
if (!NativeMethod.CopyFileEx(source.FullName, destination.FullName, cpr, IntPtr.Zero, ref cancel, (int)options))
{
throw new IOException(new Win32Exception().Message);
}
}
