Override MSWGetFocusHwnd for wxSpinCtrl to focus the right subwindow. So the correct window will be used in wxWindowMSW::SetFocusFromKbd and the spin controls content will be selected on TAB key.
Override MSWGetFocusHwnd for wxSpinCtrl to focus the right subwindow. So the correct window will be used in wxWindowMSW::SetFocusFromKbd and the spin controls content will be selected on TAB key.