Message in Chinese (Simplified) (中文(简体))![](/img/flags/zh-Hans.png)
无法追加到空的 DrawingGroup.Children 集合。
Unlocalized message![](/img/flags/en.png)
Cannot append to a null DrawingGroup.Children collection.
Search by Google无法追加到空的 DrawingGroup.Children 集合。
Cannot append to a null DrawingGroup.Children collection.
Search by Google