main.d

import tk = tkd.tkdapplication;
import std.conv;

class Application : tk.TkdApplication
{
   private void crashTheProgram(tk.CommandArgs)
      {throw new Error("whoops");}

   override protected void initInterface()
   {
      mainWindow.setTitle("Oh No");
      new tk.Button("Attempt to Crash").setCommand(&this.crashTheProgram).pack;
   }
}

int main(string[] args)
{
   try
   {
      new Application().run;
      return 0;
   }

   // as an example of it not at least rethrowing, this code is never run:
   catch(Throwable exc)
   {
      auto stacktrace = exc.info.to!string;
      auto excmsg =
         ("Error: " ~ exc.msg)~
         (stacktrace.length ? "\n\nStack trace:\n" ~ stacktrace : "No stack trace available");

      new tk.MessageDialog("Whoops")
         .setMessage(excmsg)
         .setDetailMessage("An unrecoverable error occurred!")
         .setIcon("error")
         .setType("ok")
         .show;

      return 1;
   }
}

// EOF