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Alex Rivera
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I have a CheckBox in my application that is using the TriState mode. The normal behavior for this mode seems to be cycling between null, false, true. I'd like to change this behavior so that it cycles between null, true, false. What's the best way to do this? I've tried adding a click handler similar to this: void cb_Click(object sender, RoutedEventArgs e) { if (((CheckBox)e.Source).IsChecked.HasValue == false) { ((CheckBox)e.Source).IsChecked = true; return; } if (((CheckBox)e.Source).IsChecked == true) { ((CheckBox)e.Source).IsChecked = false; return; } if (((CheckBox)e.Source).IsChecked == false) { ((CheckBox)e.Source).IsChecked = null; return; } } But this seems to disable the checkbox entirely. I'm pretty sure I'm missing something that should be obvious.
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