private void CheckResult()
{
uint num = 0;
if (this.writeCount > 0)
{
if (!Win32Com.GetOverlappedResult(this.hPort, this.ptrUWO, out num, this.checkSends))
{
if ((long)Marshal.GetLastWin32Error() != (long)0x3e4)
{
this.ThrowException("Write Error");
}
}
else
{
if (this.checkSends)
{
CommBase commBase = this;
commBase.writeCount = commBase.writeCount - num;
if (this.writeCount != 0)
{
this.ThrowException("Send Timeout");
}
this.writeCount = 0;
return;
}
}
}
}
protected void Send(byte[] tosend)
{
uint num = 0;
this.CheckOnline();
this.CheckResult();
this.writeCount = (uint)tosend.GetLength(0);
if (!Win32Com.WriteFile(this.hPort, tosend, (uint)this.writeCount, out num, this.ptrUWO))
{
if ((long)Marshal.GetLastWin32Error() != (long)0x3e5)
{
this.ThrowException("Send failed");
}
this.dataQueued = true;
return;
}
else
{
CommBase commBase = this;
commBase.writeCount = commBase.writeCount - num;
return;
}
}