All layout looks good when building on MSW but when the same is compiled for MAC font size is not comparable.
I checked this issue out on wxforum and the answer seems to be :
This does not compile under WXMAX "Identifier 'wxSystemOptions' not found! I am importing wxSystemSettings.
I checked this issue out on wxforum and the answer seems to be :
wxSystemOptions.SetOption(wxWINDOW_DEFAULT_VARIANT, wxWINDOW_VARIANT_SMALL)
This does not compile under WXMAX "Identifier 'wxSystemOptions' not found! I am importing wxSystemSettings.