LibraryContainer -> OnContentChange should not call this.Load()
LibraryContainer -> OnContentChange should not call this.Load()

- Doing so causes cascade of recursive calls
- Callers should load changes and notify via OnContentChange

mmoening/MatterControl,larsbrubaker/MatterControl,unlimitedbacon/MatterControl,unlimitedbacon/MatterControl,jlewin/MatterControl,larsbrubaker/MatterControl,jlewin/MatterControl,jlewin/MatterControl,larsbrubaker/MatterControl,mmoening/MatterControl,larsbrubaker/MatterControl,mmoening/MatterControl,unlimitedbacon/MatterControl,jlewin/MatterControl,unlimitedbacon/MatterControl