Выдает ошибку при формировании формы

//---------------------------------------------------------------------------
 
#include <vcl.h>
 
#include <windows.h>
 
#include "Unit1.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TForm1 *Form1;
//---------------------------------------------------------------------------
__fastcall TForm1::TForm1(TComponent* Owner)
        : TForm(Owner)
{
DWORD WINAPI ThreadProc(LPVOID lpParameter)
{
    ExitThread(1337);
    return 0;
}
 
}
//---------------------------------------------------------------------------
 
void __fastcall TForm1::Button1Click(TObject *Sender)
{
DWORD dwThreadId = 0;
    HANDLE hThread = CreateThread(NULL, 0, &ThreadProc, NULL, 0, &dwThreadId);
    if (!hThread)
}
//---------------------------------------------------------------------------
 
void __fastcall TForm1::Edit1Change(TObject *Sender)
{
    MessageBox(NULL, "error", "potok!", MB_OK | MB_ICONERROR | MB_TOPMOST);
}
else
//---------------------------------------------------------------------------
void __fastcall TForm1::Edit2Change(TObject *Sender)
{
 MessageBox(NULL, "good", "potok!", MB_OK | MB_ICONINFORMATION | MB_TOPMOST);
        CloseHandle(hThread);
}
//---------------------------------------------------------------------------
 
}

DWORD WINAPI ThreadProc(LPVOID lpParameter)
{
    ExitThread(1337);
    return 0;
}
 
__fastcall TForm1::TForm1(TComponent* Owner)
        : TForm(Owner)
{
}
 
void __fastcall TForm1::Button1Click(TObject *Sender)
{
DWORD dwThreadId = 0;
    HANDLE hThread = CreateThread(NULL, 0, &ThreadProc, NULL, 0, &dwThreadId);
    if (!hThread) MessageBox(NULL, "error", "potok!", MB_OK | MB_ICONERROR | MB_TOPMOST);
    else {
        MessageBox(NULL, "good", "potok!", MB_OK | MB_ICONINFORMATION | MB_TOPMOST);
        CloseHandle(hThread);
    }
}