Add 'Learn more' to miscellaneous files warning.

Author: JoeRobich

l10n/bundle.l10n.json

@@ -172,6 +172,7 @@
   "C# configuration has changed. Would you like to reload the window to apply your changes?": "C# configuration has changed. Would you like to reload the window to apply your changes?",
   "Nested Code Action": "Nested Code Action",
   "Fix All: ": "Fix All: ",
+  "Learn more": "Learn more",
   "The active document is not part of the open workspace. Not all language features will be available.": "The active document is not part of the open workspace. Not all language features will be available.",
   "Dismiss": "Dismiss",
   "Do not show for this workspace": "Do not show for this workspace",

src/lsptoolshost/languageStatusBar.ts

@@ -10,6 +10,7 @@ import { languageServerOptions } from '../shared/options';
 import { ServerState } from './serverStateChange';
 import { getCSharpDevKit } from '../utils/getCSharpDevKit';
 import { RazorLanguage } from '../razor/src/razorLanguage';
+import { LearnMoreAboutMiscellaneousFilesCommand } from './miscellaneousFileNotifier';
 
 export function registerLanguageStatusItems(
     context: vscode.ExtensionContext,
@@ -91,6 +92,7 @@ class ProjectContextStatus {
                       'The active document is not part of the open workspace. Not all language features will be available.'
                   )
                 : vscode.l10n.t('Active File Context');
+            item.command = e.context._vs_is_miscellaneous ? LearnMoreAboutMiscellaneousFilesCommand : undefined;
         });
 
         // Trigger a refresh, but don't block creation on the refresh completing.

src/lsptoolshost/miscellaneousFileNotifier.ts

@@ -13,6 +13,16 @@ import { languageServerOptions } from '../shared/options';
 const SuppressMiscellaneousFilesToastsOption = 'dotnet.server.suppressMiscellaneousFilesToasts';
 const NotifiedDocuments = new Set<string>();
 
+export const LearnMoreAboutMiscellaneousFilesCommand = {
+    command: 'vscode.open',
+    title: vscode.l10n.t('Learn more'),
+    arguments: [
+        vscode.Uri.parse(
+            'https://learn.microsoft.com/en-us/visualstudio/ide/reference/miscellaneous-files?view=vs-2022'
+        ),
+    ],
+};
+
 export function registerMiscellaneousFileNotifier(
     context: vscode.ExtensionContext,
     languageServer: RoslynLanguageServer
@@ -50,7 +60,7 @@ export function registerMiscellaneousFileNotifier(
                 context.workspaceState.update(SuppressMiscellaneousFilesToastsOption, true);
             },
         };
-        showWarningMessage(vscode, message, dismissItem, disableWorkspace);
+        showWarningMessage(vscode, message, dismissItem, disableWorkspace, LearnMoreAboutMiscellaneousFilesCommand);
     });
 }