Создание нового потока

//---------------------------------------------------------------------------
 
#include <vcl.h>
#pragma hdrstop
 
#include "Unit1.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TForm1 *Form1;
//---------------------------------------------------------------------------
__fastcall TForm1::TForm1(TComponent* Owner)
    : TForm(Owner)
{
}
//---------------------------------------------------------------------------
      
DWORD __stdcall ThreadFunc ( void *p )
{
    HDC hDC = GetDC ( Form1->Handle );
    SetTextColor ( hDC, RGB ( 0, 127, 127 ) );
    
    for ( size_t i = 0; i < 1000000; ++i )
    {
        String s = i;
        TextOutA ( hDC, 10, i/10000, s.c_str(), s.Length() );
    }
    ReleaseDC ( Form1->Handle, hDC );
    MessageBeep( MB_OK );
    return 0;
}
//---------------------------------------------------------------------------
 
void __fastcall TForm1::Button1Click(TObject *Sender)
{
    DWORD  ThreadID;
    //------------------------------------------------------------------------
    HANDLE hThread = CreateThread ( NULL, 0, ThreadFunc, NULL, 0, &ThreadID );
    //------------------------------------------------------------------------
    if ( hThread == 0 )
    ShowMessage ( "Проблема" );
}
//---------------------------------------------------------------------------
 
void __fastcall TForm1::Button2Click(TObject *Sender)
{
    ThreadFunc ( 0 );
}
//---------------------------------------------------------------------------