What is the correct way to response to the wxEVT_DPI_CHANGED event?

Hi, when the application receive a wxEVT_DPI_CHANGED event, how can it 
response to the event?

I looked at the wxWidgets' sample code "display", it looks like it does 
nothing, but just show some text in the status bar:

void MyFrame::OnDPIChanged(wxDPIChangedEvent& event)
{
    wxLogStatus(this, "DPI changed: was %d*%d, now %d*%d",
                event.GetOldDPI().x, event.GetOldDPI().y,
                event.GetNewDPI().x, event.GetNewDPI().y);

    event.Skip();
}

But if we need to layout the UIs, do we need to call the ResetMode() 
function of the wxDisplay class?

I just search for the "ResetMode" in wxWidgets' github site, I don't see 
much usage of this function.

In the "display" sample code, this function is called when a wxButton get 
clicked.

I even did some test about the DPI changing, and I think if ResetMode() is 
not called, the layout is wrong, you can see the discussion and image shots 
here in the:

How does the FromDIP function work under different DPI scaling? — 
https://forums.wxwidgets.org/viewtopic.php?p=218156#p218156

Any suggestions? Thanks!

Asmwarrior

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