WPF two-way binding with internal setter -

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i'm using wpf's two-way binding on clr property, implements inotifypropertychanged. set property internal, while get public.

unfortunately, following error:

system.windows.markup.xamlparseexception unhandled message: unhandled exception of type 'system.windows.markup.xamlparseexception' occurred in presentationframework.dll additional information: twoway or onewaytosource binding cannot work on read-only property 'name' of type 'mytype'.

is expected behavior? have thought internal setters should work fine... note clr-type defined in assembly, , visible in current assembly, [assembly: internalsvisibleto("myassembly")] attribute.

does have workarounds/suggestions? declaring assembly class library, it's not option me change set public.

you can create own new public wraper property , use getter , setter of interact internal property

         internal string _sidetabheader;              public string sidetabheader             {                 { return _sidetabheader; }                 set  {     if( value<0)     {         nothing     }     else     {        _sidetabheader=value;     }; }         }

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