Implement ThrowIfDisposed()

[Rekkonnect]

Checklist

• I have read the Code of Conduct and the Contributing files before opening this issue.
• I have verified the issue this pull request fixes or feature this pull request implements is to the current release.
• I am using the latest stable release with the above code fix or the current main branch if code changes are present (prerelease code changes).
• I have debugged and tested my changes before submitting this issue and that everything should just work.

Describe the issue this fixes / feature this adds

Closes #34

[mergify]

This PR does not add the DCO signoff. Ensure it does before they can be scheduled for automatic merge.
To do that click the details link on the check below to find the steps to resolve this and then force push using git push --force after it has been completed.
If the PR has multiple commits to simplify it you can also run git rebase -i HEAD~x where x is the number of commits inside of the PR, then in the interactive program that is opened to edit the data change every line under the first one that starts with pick to fixup then save and exit the program git opens, after that git will rebase them into each other and squashes them into a single commit where then you can run git commit --amend --signoff then force push.

[mergify]

This PR's security check has failed. Ensure it passes before they can be scheduled for automatic merge.

[AraHaan]

I am sorry for the delayed merge time.