Forwarding child events to a top level window

[Randy Sales]

I need to forward an event from a child window/control to the main/top
window of my application and I've been unable to find a description of
how to do this.  I'm currently planning to do this in the event handler
for the child control:

 

void CEmVirtualViewTreeCtrl::OnVirtualRetrieve( wxCommandEvent& event )

{

    // First get a pointer the the data I need to forward with the
command

    wxTreeItemId pItem = GetSelection( );

    CEmVirtualTreeItemData* pItemData = (CEmVirtualTreeItemData
*)GetItemData( pItem );

    

    // Now store the address of the data in the event object

    event.SetClientData( pItemData->m_pItem );

 

    // Finally, forward the event to the main window

    wxWindow * pMainWindow = wxGetApp().GetTopWindow();

    pMainWindow->GetEventHandler()->ProcessEvent( event );

 }

 

Two questions:

 

1)       Is this the appropriate way to forward a child event to a main
window?

2)       Are there any issues with attaching a data object to the event,
as I have done in this example?

 

Thanks,

Randy Sales

 

 

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