How to handle the unhandled exception System.NullReferenceException, which occurs when attempting to pass a Boolean parameter to a function?

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There are a few ways to handle a System.NullReferenceException when attempting to pass a Boolean parameter to a function:

1. Check for null values: Before passing the Boolean parameter to the function, check if it is null or not. If it's null, handle it accordingly (e.g., throw an appropriate exception or set a default value).

2. Add null checks in the function: Within the function, add null checks for any values that are being used or accessed. If they are null, handle them accordingly.

3. Use a nullable Boolean: Instead of using a regular Boolean parameter, use a nullable Boolean (bool?) which can have a value of null. This allows you to handle null values explicitly within the function.

4. Debug the code: If the exception is unexpected or you're not sure why it's occurring, use a debugger to step through the code and identify the root cause of the issue.

Overall, it's important to handle null values appropriately and add proper error handling to your code to prevent System.NullReferenceException from occurring.