//---------------------------------------------------------------------------

#ifndef Unit1H
#define Unit1H<----在Unit1H你的CFunc.h中應該為CFuncH
//---------------------------------------------------------------------------
#include 
#include 
#include 
#include <Forms.hpp>
//---------------------------------------------------------------------------
class TForm1 : public TForm
{
__published:        // IDE-managed Components
private:        // User declarations
public:                // User declarations
        __fastcall TForm1(TComponent* Owner);
        ___fastcall MyFunction(); //你寫的Function定義在此,至於是該放在Public/published還是Prvate就看你的function的功能而定
};
//---------------------------------------------------------------------------
extern PACKAGE TForm1 *Form1;
//---------------------------------------------------------------------------
#endif

//---------------------------------------------------------------------------    #include 
#pragma hdrstop    #include "Unit1.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TForm1 *Form1; //Class的繼承宣告
//---------------------------------------------------------------------------
__fastcall TForm1::TForm1(TComponent* Owner)
        : TForm(Owner)
{
}
//---------------------------------------------------------------------------    void _fastcall TForm1::MyFunction() //你想寫的Function
{
 ShowMessage("這是我寫的Function");
}