Disclaimer The opinions expressed herein are my own personal opinions and do not represent my employer's view in anyway.
1: m_DispatcherTimer = new DispatcherTimer() 2: { 3: Interval = TimeSpan.FromSeconds(0.25), 4: IsEnabled = true 5: }; 6: 7: m_DispatcherTimer.Tick += delegate 8: { 9: CommandManager.InvalidateRequerySuggested(); 10: }; 11:
1: m_DispatcherTimer = new DispatcherTimer()
2: {
3: Interval = TimeSpan.FromSeconds(0.25),
4: IsEnabled = true
5: };
6:
7: m_DispatcherTimer.Tick += delegate
8: {
9: CommandManager.InvalidateRequerySuggested();
10: };
11:
http://robburke.net/2008/04/23/wpf-command-pattern-when-does-it-query-canexecute/
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