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9.2

Need to disable PopUp Menu items

Asked by GlennBrand in Windows MFC Programming, Microsoft Visual C++

Tags: MFC

I need to disable the menu items that are not applicable at various places in the application.
The command messages are not being routed through the OnUpdate handlers.
I have looked at a few issues that talk about this. For example using "this" on the following does not work:
pPopup->TrackPopupMenu(TPM_LEFTALIGN | TPM_RIGHTBUTTON, point.x, point.y, this);
Attaching it to the mainframe does something but still not going through the handlers 
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void CEHRTreeCtrl::OnUpdatePopupPopulatenormalcase(CCmdUI* pCmdUI) 
{
	if (m_bWorkFlowTree || !IsPatientData())
		pCmdUI->Enable(false);
	else
		pCmdUI->Enable(true);
}
 
void CEHRTreeCtrl::OnContextMenu(CWnd*, CPoint point)
{
 
	// CG: This block was added by the Pop-up Menu component
	{
		if (point.x == -1 && point.y == -1){
			//keystroke invocation
			CRect rect;
			GetClientRect(rect);
			ClientToScreen(rect);
 
			point = rect.TopLeft();
			point.Offset(5, 5);
		}
 
		CMenu menu;
		VERIFY(menu.LoadMenu(CG_IDR_POPUP_EHRDECISION_TREE));
 
		CMenu* pPopup = menu.GetSubMenu(0);
		ASSERT(pPopup != NULL);
		CWnd* pWndPopupOwner = this;
 
		// this sets it for all menu items
		m_bHasChildren = IsNodeChildrenOnDemand();
		if(!m_bHasChildren)
		{
			pPopup->ModifyMenu( ID_EDIT_COPY, MF_BYCOMMAND, ID_EDIT_COPY, _T("&Copy Selected Item") );
			pPopup->ModifyMenu( ID_EDIT_CUT, MF_BYCOMMAND, ID_EDIT_CUT, _T("&Cut Selected Item") );
			CString strMenuItem = _T("&Delete Selected Item");
			if (GetSelectedCount() > 0)
			{
				 strMenuItem += _T("s");
			}
			pPopup->ModifyMenu( ID_EDIT_DELETE, MF_BYCOMMAND, ID_EDIT_DELETE, strMenuItem );
			pPopup->ModifyMenu( ID_EDIT_FIND, MF_BYCOMMAND, ID_EDIT_FIND, _T("&Find Item or Sub Tree") );
			pPopup->ModifyMenu( ID_EDIT_PASTE, MF_BYCOMMAND, ID_EDIT_PASTE, _T("&Paste Selected Item") );
		}
		
		pPopup->ModifyMenu( ID_POPUP_INSERTSUBTREE, MF_BYCOMMAND, ID_POPUP_INSERTSUBTREE, _T("&Insert Items After Selected Item") );
		
		if (!IsNodeManagementTree())
		{
			pPopup->DeleteMenu(ID_POPUP_ATTACHNODESTOSELECTEDFORM, MF_BYCOMMAND);
		}
		else if (IsFormManagementTree() || IsReportManagementTree())
		{
			pPopup->ModifyMenu( ID_POPUP_ADDSUBTREE, MF_BYCOMMAND, ID_POPUP_ADDSUBTREE, _T("&Add Multiple New Nodes") );
		}
		CWnd* pWnd = GetParent()->GetParent()->GetParent();
		pPopup->TrackPopupMenu(TPM_LEFTALIGN | TPM_RIGHTBUTTON, point.x, point.y,
			this);
	}
}
 
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[+][-]04/25/09 06:08 PM, ID: 24234128Expert Comment

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[+][-]04/27/09 02:04 PM, ID: 24245656Accepted Solution

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About this solution

Zones: Windows MFC Programming, Microsoft Visual C++
Tags: MFC
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Solution Provided By: DanRollins
Participating Experts: 2
Solution Grade: A
 
[+][-]04/27/09 03:09 PM, ID: 24246129Author Comment

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[+][-]04/27/09 08:38 PM, ID: 24247411Assisted Solution

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