Merge pull request #2328 from jpdillingham/opencover-visualstudio

Add exclusion for OpenCover UI results

VisualStudio.gitignore

@@ -297,3 +297,6 @@ __pycache__/
 *.btm.cs
 *.odx.cs
 *.xsd.cs
+
+# OpenCover UI analysis results
+OpenCover/