//---------------------------------------------------------
//Start der Übertragung -> Den backgroundworker thread starten
//---------------------------------------------------------
private: System::Void button2_Click(System::Object^  sender, System::EventArgs^  e) {
				 // START

				 //serialPort1->Write(textBox2->Text);
				 this->backgroundWorker1->RunWorkerAsync();
                

			 }
//---------------------------------------------------------
//Received Event vom Serialport Byte Lesen
//------------------------------
private: System::Void serialPort1_DataReceived(System::Object^  sender, System::IO:orts::SerialDataReceivedEventArgs^  e) {
             //Serielle Empfangen
			rxdata=serialPort1->ReadByte();
			 //MessageBox::Show(rxdata.ToString(),"OASCH",MessageBoxButtons::OK,MessageBoxIcon::Error);



		 }

//---------------------------------------------------------
//Backgroundworker thread
//---------------------------------------------------------
private: System::Void backgroundWorker1_DoWork(System::Object^  sender, System::ComponentModel::DoWorkEventArgs^  e) {
		 
		 serialPort1->Write("B");		 
		 while(rxdata!='A')Application::DoEvents();

		 for (int i=0;i<40 i Mal schicken serialPort/>Write("S");
		 while(rxdata!='S')Application::DoEvents();
		 serialPort1->Write("1");
	         while(rxdata!='1')Application::DoEvents();
		 serialPort1->Write("2");
	         while(rxdata!='2')Application::DoEvents();
		 serialPort1->Write("3");
	         while(rxdata!='3')Application::DoEvents();
		 serialPort1->Write("E");
	         while(rxdata!='E')Application::DoEvents();
		 }
		 
		 }
//-------------
//Worker ist fertig...
private: System::Void backgroundWorker1_RunWorkerCompleted(System::Object^  sender, System::ComponentModel::RunWorkerCompletedEventArgs^  e) {
		 
			 MessageBox::Show("FERTIG","FERTIG",MessageBoxButtons::OK,MessageBoxIcon::Information);


		 
		 }