c# - Visual Studio 2015 designer crash -


i have method:

static public void writeerrortofile(string errormassege, string helplink) {     string text = datetime.now.tostring() + ":" + environment.newline + errormassege + environment.newline;      if (!string.isnullorwhitespace(helplink))     {         text += "help link: " + helplink + environment.newline;     }      text += environment.newline;     file.appendalltext("errors.txt", text); }

i call method every time expception occurred, designer in visual studio 2015 crashes massege:

unauthorizedaccessexception: access path 'c:\program files (x86)\microsoft visual studio 14.0\common7\ide\errors.txt' denied.

if mean call function in myviewmodel datacontext of page. if delete errors.txt file normal again. knows why happen , soulution?

the problem wpf designer has execute code see data available on viewmodel designerproperties contains method getisindesignmode can use disable logic when code being executed designer


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