C / C++ / MFC

qqq->Create(&wndTopMost, 50,50,300,300,SWP_NOSIZE);

virtual BOOL CWnd::Create
  (LPCTSTR     lpszClassName,
   LPCTSTR     lpszWindowName,
   DWORD       dwStyle,
   const RECT& rect,
   CWnd*       pParentWnd,
   UINT        nID,
   CCreateContext* pContext = NULL);

<br />
BOOL CButton::Create( LPCTSTR lpszCaption, DWORD dwStyle, const RECT& rect, CWnd* pParentWnd, UINT nID );<br />

CWnd::SetWindowPos ( 
const CWnd* pWndInsertAfter, 
int x, 
int y, 
int cx, 
int cy, 
UINT nFlags );

qqq->Create(...);
qqq->SetWindowPos(&qqq->wndTopMost, 50,50,300,300,SWP_NOSIZE);
qqq->ShowWindow(SW_SHOW);

void CDlg::OnButton1() 
{
	CButton *qqq= new CButton();
	qqq->Create("ASD", WS_CHILD | WS_VISIBLE, CRect(20,20,200,200), this, 12345);
	qqq->BringWindowToTop();
}

class CDlg : public CDialog
{
..
..
   CButton m_Button;
..
..
};

void CDlg::OnButton1() 
{
	m_Button.Create("ASD", WS_CHILD | WS_VISIBLE, CRect(20,20,200,200), this, 12345);
	m_Button.BringWindowToTop();
}

void CDlg::OnButton1() 
{
	m_Button.Create("ASD", WS_CHILD | WS_VISIBLE | WS_TABSTOP,
		CRect(20,20,200,200), this, 12345);
}

void CDlg::OnButton1() 
{
	m_Button.Create("ASD", WS_CHILD | WS_VISIBLE | WS_TABSTOP, CRect(20,20,200,200), this, 12345);
	m_Button.BringWindowToTop();
}

HBRUSH CDlg::OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor) 
{
	if(m_Button.GetSafeHwnd())
		m_Button.RedrawWindow();
	return CDialog::OnCtlColor(pDC, pWnd, nCtlColor);
}

Thank you, so much 4 your help, and for your patience and desire to help me.

HBRUSH CDlg::OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor) 
{
	if(m_Button.GetSafeHwnd() && pWnd != &m_Button)
		m_Button.RedrawWindow();

	return CDialog::OnCtlColor(pDC, pWnd, nCtlColor);
}

qqq->Create(...);
qqq->SetWindowPos(&qqq->wndTopMost, 50,50,300,300,SWP_NOSIZE);
qqq->ShowWindow(SW_SHOW);