How can I find the state of NumLock, CapsLock or ScrollLock in WPF?
If you’re writing a WPF application and need to find the state of the Num Lock, Caps Lock, or Scroll Lock keys, you’re in luck - there’s a method for that.
WPF
Filtering a ListView in WPF Using a TextBox and CollectionViewSource
In WPF, a ListView allows for quite a bit of flexibility. Let’s take a look at filtering a ListView, using input being typed into a TextBox.