B
Also das Fenster wird folgender erstellt:
MainFrm.cpp
Kunden_Verwalten_open = new Kunden_Verwalten;
Kunden_Verwalten_open->Create(NULL,_T("Kundenverwaltung"),WS_CHILD|WS_VISIBLE|WS_OVERLAPPEDWINDOW|WS_TABSTOP,
CRect(0,0,450,370),this,NULL);
Kunden_Verwalten_open->SetWindowPos(&wndTop,0,0,0,0,SWP_NOMOVE|SWP_NOSIZE);
Kunden_Verwalten.cpp
BOOL Kunden_Verwalten::PreCreateWindow(CREATESTRUCT& cs)
{
m_nID = (int)cs.hMenu;
cs.style |= WS_CAPTION;
cs.dwExStyle |= WS_EX_CLIENTEDGE;
cs.style |= WS_CLIPSIBLINGS;
cs.lpszClass =
AfxRegisterWndClass(CS_HREDRAW|CS_VREDRAW|CS_DBLCLKS,
NULL,
HBRUSH(COLOR_BACKGROUND),
NULL);
return CMDIChildWnd::PreCreateWindow(cs);
}