[C++ Error] Unit1.cpp(19): E2316 '_fastcall TForm1::finClick(TObject *)' is not a member of 'TForm1'

#include <vcl.h>
#include "unit1.h"
#include "stdio.h"
 
#pragma hdrstop
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TForm1 *Form1;
//---------------------------------------------------------------------------
__fastcall TForm1::TForm1(TComponent* Owner)
: TForm(Owner)
{
}
//---------------------------------------------------------------------------
void __fastcall TForm1::finClick(TObject *Sender)
{
Form1->Close();
}

#include "stdio.h"

#include <vcl.h>
#pragma hdrstop
 
#include "Unit1.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TForm1 *Form1;
//---------------------------------------------------------------------------
__fastcall TForm1::TForm1(TComponent* Owner)
        : TForm(Owner)
{
}
//---------------------------------------------------------------------------
 
void __fastcall TForm1::colorClick(TObject *Sender)
{
if (Edit1->Color==clBtnFace)
    Edit1->Color=clAqua;
else
    Edit1->Color=clBtnFace;
}
//---------------------------------------------------------------------------
 
void __fastcall TForm1::hideClick(TObject *Sender)
{
if (Memo1->Visible==true)
    Memo1->Visible=false;
else
    Memo1->Visible=true;
}
//---------------------------------------------------------------------------
 
 
void __fastcall TForm1::insertClick(TObject *Sender)
{
Memo1->Lines->LoadFromFile(Edit->Text);
}
//---------------------------------------------------------------------------
 
void __fastcall TForm1::finClick(TObject *Sender)
{
Form1->Close();
}
//---------------------------------------------------------------------------
 
void __fastcall TForm1::FormShow(TObject *Sender)
{
Memo1->Text=" ";
for (int i=1;i<=ParamCount();i++)
   {
    Memo1->Text +=(ParamStr(i)+"ln");
    }
}
//---------------------------------------------------------------------------