You are describing adding functionality to (I assume) Visual Studio.
You can force VS to produce warning messages for certain XML comments: [
^] by setting project options:
Quote:
StyleCop is a source code analysis tool that provides developers with an effective way to follow C# coding standards. FxCop runs against the compiled binaries as a way to understand and enforce the.NET Framework Guidelines for managed code assemblies.
[
^]
StyleCop: [
^], [
^] . Also, check out: [
^]
There are also 3rd. party tools that integrate into Visual Studio that will annotate your code ... on demand ... a few years ago I purchased Atomineer [
^] which at that time met my limited needs for a relatively low-cost on-demand annotation.