From 507a18d389abb5931e1b4d0dcca06694ba3a6258 Mon Sep 17 00:00:00 2001
From: Quin Lynch <49576606+quinchs@users.noreply.github.com>
Date: Wed, 2 Mar 2022 19:24:00 -0400
Subject: [PATCH] Enforce valid button styles (#2157)

Co-authored-by: CottageDwellingCat <80918250+CottageDwellingCat@users.noreply.github.com>
---
 .../Interactions/MessageComponents/ComponentBuilder.cs         | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/Discord.Net.Core/Entities/Interactions/MessageComponents/ComponentBuilder.cs b/src/Discord.Net.Core/Entities/Interactions/MessageComponents/ComponentBuilder.cs
index 0fa8189c1..7becca0e0 100644
--- a/src/Discord.Net.Core/Entities/Interactions/MessageComponents/ComponentBuilder.cs
+++ b/src/Discord.Net.Core/Entities/Interactions/MessageComponents/ComponentBuilder.cs
@@ -613,6 +613,9 @@ namespace Discord
             if (!(string.IsNullOrEmpty(Url) ^ string.IsNullOrEmpty(CustomId)))
                 throw new InvalidOperationException("A button must contain either a URL or a CustomId, but not both!");
 
+            if (Style == 0)
+                throw new ArgumentException("A button must have a style.", nameof(Style));
+
             if (Style == ButtonStyle.Link)
             {
                 if (string.IsNullOrEmpty(Url))