FullScr: C++Builder Version

/****************************************************************************\
*                                                                            *
*  FullScr.cpp                                                               *
*  FullScrU.cpp                                                              *
*                                                                            *
*  This is a version of the first Fastgraph for Windows example program      *
*  modified for use as a DirectDraw full screen application.                 *
*                                                                            *
\****************************************************************************/
#include 
#pragma hdrstop
#include "FullScrU.h"
//---------------------------------------------------------------------------
#pragma resource "*.dfm"
TForm1 *Form1;
//---------------------------------------------------------------------------
__fastcall TForm1::TForm1(TComponent* Owner)
   : TForm(Owner)
{
}
//---------------------------------------------------------------------------
void __fastcall TForm1::FormActivate(TObject *Sender)
{
   fg_realize(hPal);
   Invalidate();
}
//---------------------------------------------------------------------------
void __fastcall TForm1::FormCreate(TObject *Sender)
{
   fg_ddsetup(vbWidth,vbHeight,8,FG_DX_BLIT);
   hDC = GetDC(Form1->Handle);
   fg_setdc(hDC);
   hPal = fg_defpal();
   fg_realize(hPal);
   Visible = True;
   fg_vbinit();
   hVB = fg_vballoc(vbWidth,vbHeight);
   fg_vbopen(hVB);
   fg_vbcolors();
   fg_setcolor(19);
   fg_fillpage();
   fg_mouseini();
   fg_mousevis(0);
   Application->OnActivate = OnActivate;
}
//---------------------------------------------------------------------------
void __fastcall TForm1::FormKeyDown(TObject *Sender, WORD &Key,
   TShiftState Shift)
{
   if (Key == VK_ESCAPE || Key == VK_F12) Close();
}
//---------------------------------------------------------------------------
void __fastcall TForm1::FormPaint(TObject *Sender)
{
   fg_vbpaste(0,vbWidth-1,0,vbHeight-1,0,vbHeight-1);
}
//---------------------------------------------------------------------------
void __fastcall TForm1::FormDestroy(TObject *Sender)
{
   fg_mousevis(1);
   fg_vbclose();
   fg_vbfree(hVB);
   fg_vbfin();
   DeleteObject(hPal);
   ReleaseDC(Form1->Handle,hDC);
   Application->Minimize();
}