Создать программу, которая переводит значение температуры по Цельсию в значения температуры по Фаренгейту

#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::FormCreate(TObject *Sender)
{
    Label1->Caption= "";
    Label2->Caption= "";
    Image1->Canvas->Pen->Color=clRed;
    Image1->Canvas->Brush->Color=clWhite;
    Image1->Canvas->Rectangle(10,1,23,360);
    Image2->Canvas->Pen->Color=clBlue;
    Image2->Canvas->Brush->Color=clWhite;
    Image2->Canvas->Rectangle(10,1,23,360);
}
//---------------------------------------------------------------------------
void __fastcall TForm1::Button1Click(TObject *Sender)
{
int a, b, c;
a= StrToFloat(Edit1->Text);
    if (a > 0 || a < 100)  {b = 1.8 * a + 32;}
         else {
    }
    if (a > 100) {
        } else { (b= 212);
        }
    if (a < 0) {
    } else { (b= 32);
    }
        Label2->Caption= FloatToStr(b);
        Button2->Visible= false;
        Image1->Canvas->Pen->Color= clRed;
        Image1->Canvas->Brush->Color= clWhite;
        Image1->Canvas->Rectangle(10,1,23,360);
        Image1->Canvas->Pen->Color= clRed;
        Image1->Canvas->Brush->Color= clRed;
        Image1->Canvas->Rectangle(10,round(360-a),23,360);
        Image2->Canvas->Pen->Color= clBlue;
        Image2->Canvas->Brush->Color= clWhite;
        Image2->Canvas->Rectangle(10,1,23,360);
        Image2->Canvas->Pen->Color= clBlue;
        Image2->Canvas->Brush->Color= clBlue;
        Image2->Canvas->Rectangle(10,round(360-b),23,360);
 
}
//---------------------------------------------------------------------------
void __fastcall TForm1::Button2Click(TObject *Sender)
{
int a, c, d;
c= StrToFloat(Edit2->Text);
    if (c > 32 || c < 212) {d= ( c - 32)/1.8;}
    if (c < 32){
        } else { (d= 0);
        }
    if (c > 212) {
        } else { (d= 100);
        }
        Label1->Caption= FloatToStr(d);
        Button1->Visible= false;
        Image2->Canvas->Pen->Color= clBlue;
        Image2->Canvas->Brush->Color= clWhite;
        Image2->Canvas->Rectangle(10,1,23,360);
        Image2->Canvas->Pen->Color= clBlue;
        Image2->Canvas->Brush->Color= clBlue;
        Image2->Canvas->Rectangle(10,round(360-c),23,360);
        Image1->Canvas->Pen->Color= clRed;
        Image1->Canvas->Brush->Color= clWhite;
        Image1->Canvas->Rectangle(10,1,23,360);
        Image1->Canvas->Pen->Color= clRed;
        Image1->Canvas->Brush->Color= clRed;
        Image1->Canvas->Rectangle(10,round(360-d),23,360);
}
//---------------------------------------------------------------------------
void __fastcall TForm1::Button3Click(TObject *Sender)
{
    Label1->Caption= "";
    Label2->Caption= "";
    Edit1->Text= "";
    Edit2->Text= "";
    Image1->Canvas->Pen->Color= clRed;
    Image1->Canvas->Brush->Color= clWhite;
    Image1->Canvas->Rectangle(10,1,23,360);
    Image2->Canvas->Pen->Color= clBlue;
    Image2->Canvas->Brush->Color= clWhite;
    Image2->Canvas->Rectangle(10,1,23,360);
    Button1->Visible= true;
    Button2->Visible= true;
}
//---------------------------------------------------------------------------
void __fastcall TForm1::Button4Click(TObject *Sender)
{
    Form1->Close();
}
//---------------------------------------------------------------------------