Method callBack

src/helpViewer/treeView.ts:674–678

()

    iconPath = new vscode.ThemeIcon('refresh');

    async callBack(){
        await doWithProgress(() => this.wrapper.rHelp.refresh(), this.wrapper.viewId);
        this.rootNode.pkgRootNode?.refresh();
        this.rootNode.refresh();
    }
}

class OpenForSelectionNode extends NonRootNode {