Embed a CMDIFrameWnd in a CDialog

Question

Hi,

I want to embed a CMDIFrameWnd in a CDialog.

CMDIFrameWnd supports docking for child windows, and i need this functionality in a modal dialog.

I can create a CMDIFrameWnd inside OnInitDialog, but CMDIFrameWnd::OnCreateClient complains that my CMDIFrameWnd has no menu, and I don't know how I should supply it. Actually, I don't want a menu either; I just want to have docking tabs in a CDialog.

I am using something like this:

 

CMDIFrameWnd *frameWnd = new CMDIFrameWnd;
CRect rect = new CRect(10,10,200,200);
DWORD dwStyle = WS_EX_CLIENTEDGE | WS_CHILD;
BOOL rc = frameWnd->Create(null,"test1",dwStyle,rect,this,NULL,0,NULL);
frameWnd->ShowWindow(SW_SHOW);

 

I KNOW that a CMDIFrameWnd is really meant to be an applications main window, but i want to use BCGSoft's BCGControlBar library, and it needs a CMDIFrameWnd as container for docking tabs. And again, I want them in a dialog.

And: I need a CMDIFrameWnd, not a CFrameWnd.

 

 

Answer 1

Wird es nicht einfacher sein. Die Modale Technik auf ein neues Frame-Window anzuwenden.

Bzgl. dem Menü: Erzeuge dich ein Dummy-Menu und verberge den Bar.

---

Martin Richter -- MVP for VC++ [Germany] -- http://blog.m-ri.de

Answer 2

The application that i'm maintaining has its own framework, and forces me to use a dialog here.

I mentioned that i did not succeed to supply a menu to the CMDIFrameWnd.

I tried it programmatically (CMenu), and declaratively (Resource), but i'm missing the right event or the right parameter to pass the menu to MFC.

I can't pass it before I call frameWnd->Create, because the window isn't yet created, and i cant't pass it while the window is created, because i didn't succeed in catching a suitable event.

Answer 3

1. This is a German forum. Please continue the discussion in German.
You also find english ones under http://social.msdn.microsoft.com/Forums/en-US
2. What happens if you add it by a resource? What assert do you get?

---

Martin Richter -- MVP for VC++ [Germany] -- http://blog.m-ri.de

Answer 4

Der Stackdump sieht etwa so aus:

CFrameWnd::Create
CWnd::CreateEx
User32...
CWnd::WindowProc
CWnd::OnWndMsg
CFrameWnd::OnCreate
CFrameWnd::OnCreateHelper
CMDIFrameWnd::OnCreateClient

BOOL CMDIFrameWnd::OnCreateClient(LPCREATESTRUCT lpcs, CCreateContext*)
{
  CMenu* pMenu = NULL;
  if (m_hMenuDefault == NULL)
  {
    // default implementation for MFC V1 backward compatibility
    pMenu = GetMenu();
    ASSERT(pMenu != NULL);

Answer 5

>    if (m_hMenuDefault == NULL)

Überlade OnCreate.
Belege m_hMenuDefault selbst vor...

---

Martin Richter -- MVP for VC++ [Germany] -- http://blog.m-ri.de

Answer 6

OK. Ich habe CFrameWnd::Create überschrieben und dort ein Menü aus der Resourcedatei angegeben. Jetzt läuft es.

class CDockFrameWnd : public CFrameWnd
{
...
	virtual BOOL Create(LPCTSTR lpszClassName,
		LPCTSTR lpszWindowName,
		DWORD dwStyle,
		const RECT& rect,
		CWnd* pParentWnd,
		LPCTSTR lpszMenuName,
		DWORD dwExStyle,
	CCreateContext* pContext);
};

BOOL CDockFrameWnd::Create(LPCTSTR lpszClassName,
					  LPCTSTR lpszWindowName,
					  DWORD dwStyle,
					  const RECT& rect,
					  CWnd* pParentWnd,
					  LPCTSTR lpszMenuName,
					  DWORD dwExStyle,
						CCreateContext* pContext)
{
	lpszMenuName = MAKEINTRESOURCE(IDR_MENU1); 
	return CFrameWnd::Create(lpszClassName,lpszWindowName,dwStyle,rect,pParentWnd,lpszMenuName,dwExStyle,pContext);
}

BOOL CTest4Dlg::OnInitDialog()
{
	CRect rectClient;
	GetClientRect (rectClient);	
	
	CString strMyClass = AfxRegisterWndClass(CS_VREDRAW |
		CS_HREDRAW,
		::LoadCursor(NULL, IDC_ARROW),
		(HBRUSH) ::GetStockObject(GRAY_BRUSH),
		::LoadIcon(NULL, IDI_APPLICATION));

	CDockFrameWnd *frameWnd = new CDockFrameWnd;
	CRect rect = new CRect(10,100,rectClient.right - 50,380);
	DWORD dwStyle = WS_EX_CLIENTEDGE | WS_CHILD;
	BOOL rc = frameWnd->Create(strMyClass,"test1",dwStyle,rect,this,NULL,0,NULL);
	frameWnd->ShowWindow(SW_SHOW);

}