Windows 10: dynamically switch ribbon resources in mfc application

The user of my MFC app needs to be able to click on a ribbonbutton to switch to a different ribbon UI for example, in a differentlanguage. I have IDR_RIBBON and IDR_RIBBON1 in my project. The"switch" button has the following event handler:



[COLOR=rgba0, 0, 255, 1]void[/COLOR][COLOR=rgba0, 0, 0, 1] [/COLOR][COLOR=rgba43, 145, 175, 1]CMainFrame[/COLOR][COLOR=rgba0, 0, 0, 1]::OnSwitchRibbon[/COLOR]

[COLOR=rgba0, 0, 0, 1]{[/COLOR]

[COLOR=rgba0, 0, 0, 1] [/COLOR][COLOR=rgba0, 128, 0, 1]// TODO:Add your command handler code here[/COLOR]

[COLOR=rgba0, 0, 0, 1] m_wndRibbonBar.RemoveAllCategories;[/COLOR]

[COLOR=rgba0, 0, 0, 1] m_wndRibbonBar.RemoveAllFromTabs;[/COLOR]

[COLOR=rgba0, 0, 0, 1] m_wndRibbonBar.ShowPane0,0, 0;[/COLOR]

[COLOR=rgba0, 0, 0, 1] [/COLOR][COLOR=rgba111, 0, 138, 1]VERIFY[/COLOR][COLOR=rgba0, 0, 0, 1]m_wndRibbonBar.LoadFromResource[/COLOR][COLOR=rgba111, 0, 138, 1]IDR_RIBBON1[/COLOR][COLOR=rgba0, 0, 0, 1];[/COLOR]
[COLOR=rgba0, 0, 0, 1] m_wndRibbonBar.ShowPane1, 0, 0;[/COLOR]

[COLOR=rgba0, 0, 0, 1] m_wndRibbonBar.RecalcLayout;[/COLOR]

[COLOR=rgba0, 0, 0, 1] [/COLOR]

[COLOR=rgba0, 0, 0, 1] RecalcLayout;[/COLOR]

[COLOR=rgba0, 0, 0, 1] RedrawWindow;[/COLOR]


[COLOR=rgba0, 0, 0, 1]}[/COLOR]



As written, it causes an Access Violation in the followingMFC ribbon panel code at the RedrawElement function below:


void CMFCRibbonPanel::MouseButtonUpCPoint point

{

ASSERT_VALIDthis;

m_bMouseIsDown= FALSE;

ifm_pHighlighted != NULL

{

ASSERT_VALIDm_pHighlighted;

HWNDhwndParent = GetParentWnd->GetSafeHwnd;
CMFCRibbonBaseElement*pHighlighted = m_pHighlighted;
m_pHighlighted->OnLButtonUppoint;
if::IsWindowhwndParent && pHighlighted->m_bIsPressed

{

pHighlighted->m_bIsPressed= FALSE;

[COLOR=rgba255, 0, 0, 1] RedrawElementpHighlighted; ACCESS VIOLATION[/COLOR]



If the following 2 lines are added before the call toLoadResourceIDR_RIBBON1 in my code:


[COLOR=rgba0, 0, 0, 1] [/COLOR][COLOR=rgba0, 128, 0, 1]RemovePaneFromDockManager&m_wndRibbonBar,TRUE, TRUE, FALSE, NULL;[/COLOR]

[COLOR=rgba0, 0, 0, 1] [/COLOR][COLOR=rgba0, 128, 0, 1]VERIFYm_wndRibbonBar.Createthis;[/COLOR]

[COLOR=rgba0, 128, 0, 1][/COLOR]
[COLOR=rgba0, 0, 0, 1]Then itruns without the access violation. But then I have to move all other bars inthe app like a caption bar to get the original docking pane layout. Is thereany way around this?[/COLOR]


[COLOR=rgba0, 0, 0, 1]Finally, there is another bugin the CMFC ribbon code that causes Print Preview in the new ribbonIDR_RIBBON1 to fail. How can that be avoided?[/COLOR]


[COLOR=rgba0, 128, 0, 1]
[/COLOR]

:)

 

avcapture mfc application has stopped working

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mfc

Hi,

I am , an independent adviser here to help.

If you're referring to MFC application, You need to get the source code from its developer.

About MFC:

https://docs.microsoft.com/en-us/cpp/mfc/mfc-de...

 

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