incompatible parameter error message

#ifndef Cthread_H_
#define Cthread_H_

#include <windows.h>
#include <process.h>
#include <time.h>
#include <algorithm>

class Cthread
{
	
	//This is the handle to our thread system give us when
	//Thread is created.
	HANDLE MySendThread;
	DWORD MySendThreadId;

	HANDLE MyReceiveThread;


public:
	/***local Thread***/
	//automatically set the default values of running, end, tid and handle variables
	Cthread();

        /*Receive Thread:*/
	void ReceiveThread(void* data);
	
	/*Send Thread:*/
	DWORD WINAPI SendThread(LPVOID lpParam); 

};

#endif
/*Cthread_H*/

#include "Cthread.h"

/******************Threads***************************/

Cthread::Cthread()
{
	//This means thread is not running
	Running = false;
	//Our signal for stopping thread, in this case not.
	End = false;

	//Set default values for identifier and handle
	MySendThread = 0;
	MyReceiveThread = 0;
}

/*Receive Thread initiator*/
void Cthread::ReceiveThread(void* data)
{

	//VNSelement = VNS(EDIP_UDP_PORT_NO);
}

/*Send Thread initiator*/
DWORD WINAPI Cthread::SendThread(LPVOID lpParam)
{
	int result;
    //char * mytxdata = "Hello";
    int dataSize;
    char * mytxdata;
   
	char sendArray[1500] = { 0x01, 0x02, 0x03 }; 

    //mytxdata = reinterpret_cast<char*>(&test);
    //dataSize = sizeof(test);

    while (1)
    {

        //result = UdpServer::send ( socketno, mytxdata, dataSize, VNS_UDP_IP_NO, EDIP_UDP_PORT_NO );

        if ( result == 0 )
        {
            //cout << "Send!\n";
        }
        
    }
}


/*Starts Thread*/
void Cthread::start()
{
	//Pass static_run function and whole object as parameter.
	//Get handle to our thread and identifier (tid)
	MySendThread = CreateThread(NULL,0, SendThread, 0, 0, &MySendThreadId );
	MyReceiveThread = (HANDLE)_beginthread( &ReceiveThread, 0, 0);

	//VNSelement.VNS_Initiate_Decode();
}