Fix #31606

src/vs/workbench/parts/markers/common/constants.ts

@@ -8,6 +8,7 @@ import { RawContextKey } from 'vs/platform/contextkey/common/contextkey';
 export default {
 	MARKERS_PANEL_ID: 'workbench.panel.markers',
 	MARKER_COPY_ACTION_ID: 'problems.action.copy',
+	MARKER_COPY_MESSAGE_ACTION_ID: 'problems.action.copyMessage',
 	MARKER_OPEN_SIDE_ACTION_ID: 'problems.action.openToSide',
 
 	MarkerFocusContextKey: new RawContextKey<boolean>('problemFocus', false)

src/vs/workbench/parts/markers/electron-browser/markersElectronContributions.ts

@@ -34,6 +34,17 @@ export function registerContributions(): void {
 			when: Constants.MarkerFocusContextKey
 		}
 	});
+	registerAction({
+		id: Constants.MARKER_COPY_MESSAGE_ACTION_ID,
+		title: localize('copyMarkerMessage', "Copy Message"),
+		handler(accessor) {
+			copyMessage(accessor.get(IPanelService));
+		},
+		menu: {
+			menuId: MenuId.ProblemsPanelContext,
+			when: Constants.MarkerFocusContextKey
+		}
+	});
 }
 
 function copyMarker(panelService: IPanelService) {
@@ -46,6 +57,16 @@ function copyMarker(panelService: IPanelService) {
 	}
 }
 
+function copyMessage(panelService: IPanelService) {
+	const activePanel = panelService.getActivePanel();
+	if (activePanel instanceof MarkersPanel) {
+		const element = (<MarkersPanel>activePanel).getFocusElement();
+		if (element instanceof Marker) {
+			clipboard.writeText(element.marker.message);
+		}
+	}
+}
+
 interface IActionDescriptor {
 	id: string;
 	handler: ICommandHandler;