C / C++ / MFC

void CDlgMain::OnSize(UINT nType, int cx, int cy) 
{
  CDialog::OnSize(nType, cx, cy);
  ....  // rest of your code
  Invalidate();
  UpdateWindow();
}

class CMoveNode {
public:
   // you'll need to implement proper c'tor and d'tor fns
   CMoveNode() {}
   ~CMoveNode() {}

   BYTE m_XMove;
   BYTE m_YMove;
   CMoveNode *m_pNextSibling;
   CMoveNode *m_pFirstChild;
   CMoveNode *m_pParent;         // do you need this???

private:
   // private members
};

char gameBoard[9] = {0,0,0,
                     0,0,0,
                     0,0,0};

BOOL IsWin() const
{
  char Piece = 'X';  //Look for X's first

  ...BEGIN loop
  //Is there a horizontal win
  if(gameBoard[0] == Piece && gameBoard[1] == Piece && gameBoard[2] == Piece) return TRUE;
  if(gameBoard[3] == Piece && gameBoard[4] == Piece && gameBoard[5] == Piece) return TRUE;
  if(gameBoard[6] == Piece && gameBoard[7] == Piece && gameBoard[8] == Piece) return TRUE;

  //Is there a vertical win
  ...
  //Is there a diagonal win
  ...

  Piece = 'Y';  //Loop once more to test for Y's
  ...END loop

  return FALSE;
}

vptView->GetParentFrame()->BringWindowToTop();

CDocTemplate *vptHtmlTemplate = GetTheHtmlDocTemplate();
POSITION     vtDocPos;
CDocument    *vptDoc;
POSITION     vtViewPos;
CView        *vptView;

vtDocPos = vptHtmlTemplate->GetFirstDocPosition();
if (vtDocPos != NULL) // You'll need to loop here if you've got more than one document
{
  vptDoc = vptHtmlTemplate->GetNextDoc(vtDocPos);
  vtViewPos = vptDoc->GetFirstViewPosition();
  if (vtViewPos != NULL)
  {
    vptView = vptDoc->GetNextView(vtViewPos);
    vptView->GetParentFrame()->BringWindowToTop();
  }
}

CDocTemplate *GetTheHtmlDocTemplate()
{
	CWinApp			*vptrTheApp = AfxGetApp();
	POSITION		vtPos;
	CDocTemplate	        *vptTemplate;
	CString			vcstrTitle;

	vtPos = vptrTheApp->GetFirstDocTemplatePosition();
	while (vtPos != NULL)
	{
		vptTemplate = vptrTheApp->GetNextDocTemplate(vtPos);
		if (vptTemplate->GetDocString(vcstrTitle, CDocTemplate::fileNewName))
		{
                        // Put the fileNewName of your Html doc/view here...
			if (vcstrTitle.CompareNoCase(_T("MyHtmlDoc")) == 0)
			{
                              return vptTemplate;
                        }
                }
        }
        return NULL;
}