Niner since 2010
Who isn't program manager on microsoft ?
You said that your function was working allright after the null-check fix. But it seems not to. Because the exception was thrown...
if (string.IsNullOrEmpty(todo?.title)) // better idea
what about 'permute lines - reverse, shuffle, unique', like sublimetext do.
is he drunk ? i really hate his talking style...
ridiculous, who's got time to play with properties window?
the tutorial is good, but it could be half the length if you just use xaml editor - I almost fall asleep if you ask me.