Examples of errors detected by the V3042 diagnostic


V3042. Possible NullReferenceException. The '?.' and '.' operators are used for accessing members of the same object.


Xamarin.Forms

V3042 Possible NullReferenceException. The '?.' and '.' operators are used for accessing members of the Element object Xamarin.Forms.Platform.WinRT MasterDetailPageRenderer.cs 288


void UpdateTitle()
{
  if (Element?.Detail == null)
    return;

   ((ITitleProvider)this).Title =
     (Element.Detail as NavigationPage)
       ?.CurrentPage?.Title ?? Element.Title
                            ?? Element?.Title;
}


Bugs Found

Checked Projects
344
Collected Errors
12 970