TrExtension - Translation Extension

• show string resource reflecting language setting.
• 'Assembly' property, static resouce, dynamic resource, and root element can be used to specify assembly name.

Item	Runtime	Design mode
'Assembly' property	Work	Work
static resouce	Work	Don't work
dynamic resource	Work	Work
root element	Work	Don't work

• XAML
  
• Runtime
  
• Design mode
  

Link

• XAML のマークアップ拡張を使った WPF での国際化 | プログラマーズ雑記帳
• c# - Accessing "current class" from WPF custom MarkupExtension - Stack Overflow
• c# - IRootObjectProvider not available in Designer? - Stack Overflow