Have to click away twice from Calendar in WPF

Question

Edit 2: Thank you all for your feedback. I solved the problem by adding this to my SelectedDatesChanged event:

Mouse.Capture(null);

When I select a

Answer 1

Found this

Code:

public void ReleaseMouse()
{
    if (Mouse.Captured is CalendarItem) Mouse.Capture(null);
}

XAML:

Source: https://quick-geek.github.io/answers/819560/index.html

Easy and seems to have no drawbacks: