public override unsafe int Read(byte[] buffer, int offset, int count)
{
byte[] buffer2;
if (this.mode != OpenMode.Read)
{
throw new NotImplementedException("Stream open for writing only");
}
if (offset == 0)
{
buffer2 = buffer;
}
else
{
buffer2 = new byte[count];
}
uint len = (uint)count;
int num2 = MobileDevice.AFCFileRefRead(this.phone.AFCHandle, this.handle, buffer2, ref len);
if (num2 != 0)
{
throw new IOException("AFCFileRefRead error = " + num2.ToString());
}
if (buffer2 != buffer)
{
Buffer.BlockCopy(buffer2, 0, buffer, offset, (int)len);
}
return((int)len);
}