visual studio - Unable to determine application identity call? How to track down? -

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i making windows phone 8 application , in designer view in both blend , vs "unable determine application identity call" error dialog box.

from read on stack propably because of isolated storage getting run , designer can't handle it.

i wondering there away can line numbers or errors happening instead of having manually go through code?

enter image description here

by time see message box late, exception caught , handled. have catch when exception raised. not easy @ design time.

one technique that's worth shot use debugger debug visual studio itself. start again , use tools + attach process. locate first devenv.exe in list of processes , select it. set attach to: setting "managed (v4.5, v4.0)" , click ok. let trundle find pdbs (takes while). debug + exceptions, tick thrown checkbox clr exceptions.

switch original instance of vs , whatever did before trigger error. 2nd instance break in when exception thrown. luck you'll see code on call stack window. if debugger doesn't break repeat exercise attach xdesproc.exe, xaml designer. luck it.


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