Focus issue with Calendar in Dialog #3971

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1. corvinsz

   added

   bug

   evaluation requiredItems is pending review or evaluation by the teamItems is pending review or evaluation by the team

   on Nov 13, 2025
2. corvinsz

   changed the title [-]Focus issu with Calendar in Dialog[/-] [+]Focus issue with Calendar in Dialog[/+] on Nov 13, 2025
3. corvinsz commented on Nov 14, 2025

   

   corvinsz

   on Nov 14, 2025

   Last edited by corvinsz

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   After some research I was surprised to see that this is a WPF "issue".
   From my understanding it's by design and not considered a bug, which I find very odd.
   source 1, source 2, source 3

   @Keboo
   The following is a workaround for this issue.
   Thoughts on adding an AP (e.g. CalendarAssist:SingleClickDefocus="True")? Or should consumers be responsible of handling this problem themself?

   private void Calendar_GotMouseCapture(object sender, MouseEventArgs e)
   {
       UIElement originalElement = e.OriginalSource as UIElement;
       if (originalElement is CalendarDayButton || originalElement is CalendarItem)
       {
           originalElement.ReleaseMouseCapture();
       }
   }