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Getting CMenu from CXTPControlPopup I get error
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sdancer75 View Drop Down
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Points: 70 		Post Options Post Options   Thanks (0) Thanks(0)   Quote sdancer75 Quote  Post ReplyReply Direct Link To This Post Topic: Getting CMenu from CXTPControlPopup I get error
    Posted: 23 September 2014 at 8:31am
Hi,

I want to change (insert or delete item) the popup menu of a CXTPControlPopup dynamically. I use the following code below, but everytime I am trying to get access to the popup menu I assertion error. Any Ideas ?

m_pPopupHistory = (CXTPControlPopup*)pGroup0->Add(xtpControlButtonPopup, ID_POPUP_HISTORY); 
pPopupBar = CXTPPopupBar::CreatePopupBar(GetCommandBars());
m_pPopupHistory->SetCommandBar(pPopupBar);
m_PopupHistoryMenu.LoadMenu(IDR_MENU_HISTORY);
pPopupBar->LoadMenu(m_PopupHistoryMenu.GetSubMenu(0));
pPopupBar->InternalRelease();

........................................................... 
//somewhere in my code
CXTPPopupBar *pChildBar = (CXTPPopupBar*)m_pPopupHistory->GetCommandBar();
CMenu *mm = pChildBar->GetMenu();  // <-- At this point I get assertion error
mm->AppendMenu(MF_STRING, 1, "Text 1");
pChildBar->InternalRelease();
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Points: 841 		Post Options Post Options   Thanks (0) Thanks(0)   Quote olebed Quote  Post ReplyReply Direct Link To This Post Posted: 23 September 2014 at 12:49pm
Hi,

Can you please provide a small sample application so that we could debug this issue? 

Make sure that pChildBar is not NULL and also really belongs to CXTPPopupBar class.

Thank you.
Regards,
   Oleksandr Lebed
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Points: 70 		Post Options Post Options   Thanks (0) Thanks(0)   Quote sdancer75 Quote  Post ReplyReply Direct Link To This Post Posted: 24 September 2014 at 3:49am
Thanks for the reply.

I can verify that pChildBar is not null. I attach the original sample "Ribbon Controls" where I added my offended custom code at line number 524 inside the MainFrm.cpp.

Thanks
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Points: 841 		Post Options Post Options   Thanks (0) Thanks(0)   Quote olebed Quote  Post ReplyReply Direct Link To This Post Posted: 24 September 2014 at 5:35am 
CXTPPopupBar *pChildBar = (CXTPPopupBar*)pCustomPopup->GetCommandBar(); 
CMenu *mm = pChildBar->GetMenu();  // <-- At this point I get assertion error

but pChildBar->m_hWnd is NULL that is why assertion fired
CMenu* CWnd::GetMenu() const
{
	ASSERT(::IsWindow(m_hWnd));
	return CMenu::FromHandle(::GetMenu(m_hWnd));
}

pPopupBar->LoadMenu(mmenu.GetSubMenu(0)) converts menu items to command bar controls. That is why you can't get CMenu which was loaded.
But you can use 
pChildBar->GetControls()->Add();
pChildBar->GetControls()->InsertAt();
pChildBar->GetControls()->AddMenuItem();
pChildBar->GetControls()->AddClone();

pChildBar->GetControls()->MoveBefore();

Fro example:
CXTPPopupBar *pChildBar = (CXTPPopupBar*)pCustomPopup->GetCommandBar(); 
CXTPControl* pMenuItem = pChildBar->GetControls()->Add(xtpControlButton, ID_DYNAMIC_POPUP2 + 1);
pMenuItem->SetCaption(_T("Text 1"));
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Points: 70 		Post Options Post Options   Thanks (0) Thanks(0)   Quote sdancer75 Quote  Post ReplyReply Direct Link To This Post Posted: 24 September 2014 at 6:01am
Originally posted by olebed olebed wrote:

CXTPPopupBar *pChildBar = (CXTPPopupBar*)pCustomPopup->GetCommandBar(); 
CMenu *mm = pChildBar->GetMenu();  // <-- At this point I get assertion error

but pChildBar->m_hWnd is NULL that is why assertion fired
CMenu* CWnd::GetMenu() const
{
	ASSERT(::IsWindow(m_hWnd));
	return CMenu::FromHandle(::GetMenu(m_hWnd));
}

pPopupBar->LoadMenu(mmenu.GetSubMenu(0)) converts menu items to command bar controls. That is why you can't get CMenu which was loaded.
But you can use 
pChildBar->GetControls()->Add();
pChildBar->GetControls()->InsertAt();
pChildBar->GetControls()->AddMenuItem();
pChildBar->GetControls()->AddClone();

pChildBar->GetControls()->MoveBefore();

Fro example:
CXTPPopupBar *pChildBar = (CXTPPopupBar*)pCustomPopup->GetCommandBar(); 
CXTPControl* pMenuItem = pChildBar->GetControls()->Add(xtpControlButton, ID_DYNAMIC_POPUP2 + 1);
pMenuItem->SetCaption(_T("Text 1"));


Hi,

Thank you for your quick response. I was suspicious with the LoadMenu() thing.

In fact, I thought that the pPopupBar->LoadMenu(xxx) may have suppressed the CMenu structure in some way since the way you showed me to solve the problem, was already tested and verified that it works just fine.....

I should check the source code before I ask... but you help was precious and saved my time !

Best Regards,
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