Ошибок при компиляции нет, но скомпилированное приложение не открывается

#include <vcl.h>
#pragma hdrstop
 
#include "Mil1_2.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TForm1 *Form1;
//---------------------------------------------------------------------------
__fastcall TForm1::TForm1(TComponent* Owner)
        : TForm(Owner)
{
  /*if(CheckBox1->Checked);
  {
   Button3->Enabled=false;
   Button4->Enabled=false;
  }
  else if(CheckBox2->Checked);
   {
   Button1->Enabled=false;
   Button2->Enabled=false;
  } */
}
 
//---------------------------------------------------------------------------
 
void __fastcall TForm1::Button1Click(TObject *Sender)
{
float a,b;
const float k=0.0254;
a=Edit1->Text.ToDouble();
b=a*k;
 Label1->Caption="mil ="+FormatFloat("0.000",b)+" mm";
 
}
//---------------------------------------------------------------------------
 
void __fastcall TForm1::Button2Click(TObject *Sender)
{
float a,b;
const float k=0.0254;
a=Edit1->Text.ToDouble();
b=a/k;
//b=(b*10000000)/10000000;
  Label1->Caption="mm ="+FormatFloat("0.000",b)+" mil";
 
//Label1->Caption="mm ="+String(b)+" mil";
//Label1->Caption="mil";
}
//---------------------------------------------------------------------------
 
 
 
void __fastcall TForm1::Button3Click(TObject *Sender)
{
float a,b;
const float k=25.4;
a=Edit1->Text.ToDouble();
b=a*k;
 Label1->Caption="inch ="+FormatFloat("0.000",b)+" mm";
}
//---------------------------------------------------------------------------
 
void __fastcall TForm1::Button4Click(TObject *Sender)
{
float a,b;
const float k=25.4;
a=Edit1->Text.ToDouble();
b=a/k;
 Label1->Caption="mm ="+FormatFloat("0.000",b)+" inch";
}

__fastcall TForm1::TForm1(TComponent* Owner)
        : TForm(Owner)
{
  Visible = true;
  /*if(CheckBox1->Checked);
  {
   Button3->Enabled=false;
   Button4->Enabled=false;
  }
  else if(CheckBox2->Checked);
   {
   Button1->Enabled=false;
   Button2->Enabled=false;
  } */
}

#ifndef Mil1_2H
#define Mil1_2H
//---------------------------------------------------------------------------
#include <Classes.hpp>
#include <Controls.hpp>
#include <StdCtrls.hpp>
#include <Forms.hpp>
#include <Menus.hpp>
#include <ExtCtrls.hpp>
//---------------------------------------------------------------------------
class TForm1 : public TForm
{
__published:    // IDE-managed Components
        TEdit *Edit1;
        TLabel *Label1;
        TButton *Button1;
        TButton *Button2;
        TButton *Button3;
        TButton *Button4;
        void __fastcall Button1Click(TObject *Sender);
        void __fastcall Button2Click(TObject *Sender);
        void __fastcall Button3Click(TObject *Sender);
        void __fastcall Button4Click(TObject *Sender);
private:    // User declarations
public:     // User declarations
        __fastcall TForm1(TComponent* Owner);
};
//---------------------------------------------------------------------------
extern PACKAGE TForm1 *Form1;
//---------------------------------------------------------------------------
#endif