StaticProperties.cpp

#include <vcl.h>
#pragma hdrstop

#include "StaticProperties.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TForm1 *Form1;

//SECOND DECLARATION OF MyStaticInt AND INITIALIZATION
int TMyClass::MyStaticInt = 99;

//---------------------------------------------------------------------------
__fastcall TForm1::TForm1(TComponent* Owner)
        : TForm(Owner)
{
}
//---------------------------------------------------------------------------

int __fastcall TMyClass::GetMyStaticInt()
{
    return MyStaticInt;
}

void __fastcall TMyClass::SetMyStaticInt( int i )
{
    MyStaticInt = i ;
}

int __fastcall TMyClass::Get()
{
    return MyStaticInt;
}

void __fastcall TMyClass::Set( int i )
{
    MyStaticInt = i ;
}


void __fastcall TForm1::Button1Click(TObject *Sender)
{
   TMyClass oMyClass;

   oMyClass.MyInt = 1000;
   ShowMessage("oMyClass.MyInt = " + String( oMyClass.MyInt ) );
   //DOUBLE CHECK THE VALUE   
   ShowMessage("MyStaticInt    = " + String( oMyClass.Get() ) );

   oMyClass.MyInt = 2000;
   ShowMessage("oMyClass.MyInt = " + String( oMyClass.MyInt ) );
   //DOUBLE CHECK THE VALUE
   ShowMessage("MyStaticInt    = " + String( oMyClass.Get() ) );
}

StaticProperties.h

#ifndef StaticPropertiesH
#define StaticPropertiesH
//---------------------------------------------------------------------------
#include <Classes.hpp>
#include <Controls.hpp>
#include <StdCtrls.hpp>
#include <Forms.hpp>
//------------------------------------------------------------------
class TForm1 : public TForm
{
__published:	// IDE-managed Components
        TButton *Button1;
        void __fastcall Button1Click(TObject *Sender);
private:	// User declarations
public:		// User declarations
        __fastcall TForm1(TComponent* Owner);
};
//------------------------------------------------------------------

class TMyClass
{
private:

   static int MyStaticInt;           //FIRST DECLARATION
   int __fastcall GetMyStaticInt();
   void __fastcall SetMyStaticInt( int i );

public:

   __property int  MyInt = { read = GetMyStaticInt, write = SetMyStaticInt };

   // TO ACCESS STATIC DATA MEMBER IN THE PROGRAM
   // TO DOUBLE CHECK THE VALUE OF THE STATIC DATA MEMBER
   int __fastcall Get();
   void __fastcall Set( int i );
};


extern PACKAGE TForm1 *Form1;
//------------------------------------------------------------
#endif