WPF Checkbox check IsChecked

Question

I\'m not talking about an event handler for this, but rather a simple If Statement checking if the CheckBox has been checked. So far I have:

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Answer 1

You can use null coalescing operator. This operator returns right-hand operand if the left-hand operand is null. So you can return false when the CheckBox is in indeterminate state (when the value of IsChecked property is set to null):

if (chkRevLoop.IsChecked ?? false)
{

}