C# (CSharp) KeysList.Contains примеры использования

Пример #1

 private bool HasKeyControl()
 {
     return(KeysList.Contains(Key.LeftCtrl) || KeysList.Contains(Key.RightCtrl));
 }

Пример #2

 private bool HasKeyShift()
 {
     return(KeysList.Contains(Key.LeftShift) || KeysList.Contains(Key.RightShift));
 }

Пример #3

 private bool HasKeyAlt()
 {
     return(KeysList.Contains(Key.System));
 }