C / C++ / MFC

void CDialogDlg::SetToolTip(LPCTSTR Text,HWND hwnd)
{
TOOLINFO ti;
ti.cbSize = sizeof(TOOLINFO);
ti.lpszText = (LPTSTR)Text;
ti.hinst = AfxGetInstanceHandle();
ti.hwnd = hwnd;
ti.uFlags = TTF_SUBCLASS | TTF_IDISHWND;
ti.uId = (UINT) hwnd;
m_tooltip.SendMessage(TTM_ADDTOOL, 0, (LPARAM) &ti);

}

void CDialogDlg::OnBnClickedCancel()
{
	m_tooltip.Create(this);
	
	m_Button.ModifyStyle(BS_BITMAP,BS_ICON);
//HANDLE hIconHandle = ::LoadImage( AfxGetResourceHandle(), 
//MAKEINTRESOURCE( IDI_UP), IMAGE_ICON, 0, 0, LR_LOADTRANSPARENT );
//m_Button.SetIcon((HICON)hIconHandle );
m_Button.SetIcon(LoadIcon(AfxGetApp()->m_hInstance,(LPCTSTR)IDI_UP));
SetToolTip("Test",m_Button.m_hWnd);
}

HBRUSH CZilchDlg::OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor) 
{
   // Call the base class implementation first! Otherwise, it may
   // undo what we're trying to accomplish here.
   HBRUSH hbr = CDialog::OnCtlColor(pDC, pWnd, nCtlColor);

   // Are we painting the IDC_MYSTATIC control? We can use
   // CWnd::GetDlgCtrlID() to perform the most efficient test.
   if (pWnd->GetDlgCtrlID() == IDC_MYSTATIC)
   {
      // Set the text color to red
      pDC->SetTextColor(RGB(255, 0, 0));

      // Set the background mode for text to transparent 
      // so background will show thru.
      pDC->SetBkMode(TRANSPARENT);

      // Return handle to our CBrush object
      hbr = m_brush;
   }

   return hbr;
}

<br />
{<br />
CWaitCursor waitCursor;<br />
<some lengthy operation><br />
}<br />