Improve handling of null values in wxDataViewCtrl to be more compatible with the earlier versions. See https://github.com/wxWidgets/wxWidgets/pull/2602 See #18934. Closes #19333.
Improve handling of null values in wxDataViewCtrl to be more compatible with the earlier versions. See https://github.com/wxWidgets/wxWidgets/pull/2602 See #18934. Closes #19333.