public static bool HasAbstractOrVirtualEvents(this ClassDeclarationSyntax classDeclaration)
{
var events = classDeclaration.GetEvents();
foreach (var e in events)
{
var modifiers = e.Modifiers.Where(x => x.IsKind(SyntaxKind.AbstractKeyword) || x.IsKind(SyntaxKind.VirtualKeyword));
if (modifiers.Any())
{
return(true);
}
}
return(false);
}