CWnd::IsWindowEnabled
Gibt an, ob CWnd für Maus- und Tastatureingaben aktiviert ist.
BOOL IsWindowEnabled( ) const;
Rückgabewert
Ungleich 0 (null), wenn CWnd aktiviert ist; 0 andernfalls.
Beispiel
//change the background color of an edit control on the dialog
HBRUSH CMyDlg::OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor)
{
HBRUSH hbr = CDialog::OnCtlColor(pDC, pWnd, nCtlColor);
if (pWnd->GetDlgCtrlID() == IDC_MYEDIT)
{
if (pWnd->IsWindowEnabled())
{
// Red brush for the background...
pDC->SetBkColor(RGB(255, 0, 0));
// m_pRedBrush is the CBrush object initialized with a red brush
// using CreateSolidBrush
return(HBRUSH)m_RedBrush.GetSafeHandle();
}
else
{
// Blue brush for the background...
pDC->SetBkColor(RGB(0, 0, 255));
// m_pBlueBrush is the CBrush object initialized with a blue
// brush using CreateSolidBrush
return (HBRUSH)m_BlueBrush.GetSafeHandle();
}
}
return hbr;
}
Anforderungen
Header: afxwin.h