@@ -75,6 +75,9 @@ namespace Winterdom.VisualStudio.Extensions.Text { ILanguageKeywords keywords = GetKeywordsByContentType(span.Snapshot.TextBuffer.ContentType); + if ( keywords == null ) { + return list; + } // ... and from those, ones that match our keywords var controlFlowSpans = from kwSpan in classifiedSpans @@ -107,7 +110,10 @@ namespace Winterdom.VisualStudio.Extensions.Text { } else if ( contentType.TypeName == Cpp.ContentType ) { return new Cpp(); } - throw new InvalidOperationException("Running into an unsupported editor"); + // VS is calling us for the "CSharp Signature Help" content-type + // which we didn't ask for. Argh!!! + // throw new InvalidOperationException("Running into an unsupported editor"); + return null; } } } KeywordClassifier.cs 77e5c6c7d64d9928fe75d115b327ac2fc072b935 Tomas Restrepo tomas@winterdom.com http://github.com/tomasr/KeywordClassifier/commit/7208c2b15a85bc5792705df4acfa450de09a50a8 7208c2b15a85bc5792705df4acfa450de09a50a8 2009-10-20T12:25:09-07:00 2009-10-20T12:25:09-07:00 Fix VS crash caused by invalid content-type 21a903540357d88a3125a44013bb5ddbc8873d43 Tomas Restrepo tomas@winterdom.com