//
/// Activates the specified page in the property sheet. Returns true if successful
/// or false otherwise.
/// \note The page that's losing activation receives a PSN_KILLACTIVE notification
/// while the window that's gaining activation receives a PSN_SETACTIVE
/// notification.
//
bool
TPropertySheet::SelectPage(TPropertyPage& pg)
{
PRECONDITION(GetHandle());
PRECONDITION(HPROPSHEETPAGE(pg));
return SendMessage(PSM_SETCURSEL, 0, TParam2(HPROPSHEETPAGE(pg))) != 0;
}
//
/// Removes the specified page from the property sheet
//
void
TPropertySheet::RemovePage(TPropertyPage& pg)
{
PRECONDITION(HPROPSHEETPAGE(pg));
CHECK(GetHandle());
SendMessage(PSM_REMOVEPAGE, 0, TParam2(HPROPSHEETPAGE(pg)));
//
// Should we actually invoke 'DestroyPropertySheetPage' for
// Pages which are added then removed from the PropertySheet??
}
//
/// Informs the sheet that the information in the specified page has reverted to the
/// previously saved state. The sheet disables the 'Apply' button if no other pages
/// have registered changes with the property sheet.
//
void
TPropertySheet::PageUnchanged(TPropertyPage& pg)
{
PRECONDITION(HPROPSHEETPAGE(pg));
CHECK(GetHandle());
SendMessage(PSM_UNCHANGED, TParam1(pg.GetHandle()));
}
BOOL CPropertyChoiceDlg::OnInitDialog()
{
CPropertyPage::OnInitDialog();
// nichtmodalen CPropertySheet erzeugen
TRY {
CRect rcClient;
GetClientRect(&rcClient);
m_pSheet = new CChoiceParent (rcClient, m_strDesc.c_str());
if (!m_pSheet -> Create(this, WS_VISIBLE|WS_CHILD|DS_CONTROL, 0))
AfxThrowMemoryException();
// geforderte Pages einhängen
for (CPageList::iterator it = m_Pages.begin();
it != m_Pages.end(); it++)
{
m_pSheet -> SendMessage (PSM_ADDPAGE, 0, LPARAM(HPROPSHEETPAGE(*it)));
}
m_pSheet -> CleanUp(); // DummyPage wieder entfernen
} CATCH(CMemoryException, e) {
return E_OUTOFMEMORY;
} END_CATCH;
return TRUE; // return TRUE unless you set the focus to a control
// EXCEPTION: OCX Property Pages should return FALSE
}
//
/// Adds a new page to the end of the PropertySheet.
/// \note The 'pg' must have been created via a call to
/// 'TPropertyPage::CreatePropertyPage' before invoking the 'AddPage' method.
/// \note The property sheet is not resized to fit the new page. The new page should
/// be no larger than the largest page already in the property sheet.
//
void
TPropertySheet::AddPage(TPropertyPage& pg)
{
// Update pointer to parent object
//
if (pg.GetParentO() != this)
pg.SetParent(this);
// Have page create itself it necessary
//
pg.CreatePropertyPage();
CHECK(HPROPSHEETPAGE(pg));
// Inform sheet about new page
//
CHECK(HWND(*this));
SendMessage(PSM_ADDPAGE, 0, TParam2(HPROPSHEETPAGE(pg)));
}
//
/// Informs the sheet that information in a sheet has changed. The sheet enables the
/// 'Apply' button.
//
void
TPropertySheet::PageChanged(const TPropertyPage& pg)
{
PRECONDITION(HPROPSHEETPAGE(pg));
SendMessage(PSM_CHANGED, TParam1(pg.GetHandle()));
}