<Separator Visibility="{Binding Path=HasAccounts, Converter={StaticResource BooleanToVisible}}"/>
<MenuItem Header="{Binding PauseSyncCaption}" x:Name="ToggleSynching" cal:Message.Attach="ToggleSynching" Visibility="{Binding Path=HasAccounts, Converter={StaticResource BooleanToVisible}}"/>
<Separator />
+ <MenuItem x:Name="ShowConflicts" Header="Show Conflicts" Visibility="{Binding Path=HasConflicts, Converter={StaticResource BooleanToVisible}}" cal:Message.Attach="ShowConflicts" />
<MenuItem Header="Preferences ..." x:Name="ShowPreferences" cal:Message.Attach="ShowPreferences" />
<Separator />
<MenuItem Header="Send Feedback" x:Name="SendFeedback" cal:Message.Attach="SendFeedback">