Made IVoiceChannel.UserLimit nullable

src/Discord.Net.Core/Entities/Channels/IVoiceChannel.cs

@@ -8,8 +8,8 @@ namespace Discord
     {
         /// <summary> Gets the bitrate, in bits per second, clients in this voice channel are requested to use. </summary>
         int Bitrate { get; }
-        /// <summary> Gets the max amount of users allowed to be connected to this channel at one time. A value of 0 represents no limit. </summary>
-        int UserLimit { get; }
+        /// <summary> Gets the max amount of users allowed to be connected to this channel at one time. </summary>
+        int? UserLimit { get; }
 
         /// <summary> Modifies this voice channel. </summary>
         Task ModifyAsync(Action<VoiceChannelProperties> func, RequestOptions options = null);

src/Discord.Net.Core/Entities/Channels/VoiceChannelProperties.cs

@@ -10,6 +10,6 @@
         /// <summary>
         /// The maximum number of users that can be present in a channel.
         /// </summary>
-        public Optional<int> UserLimit { get; set; }
+        public Optional<int?> UserLimit { get; set; }
     }
 }

src/Discord.Net.Rest/Entities/Channels/ChannelHelper.cs

@@ -56,7 +56,7 @@ namespace Discord.Rest
                 Bitrate = args.Bitrate,
                 Name = args.Name,
                 Position = args.Position,
-                UserLimit = args.UserLimit
+                UserLimit = args.UserLimit.IsSpecified ? (args.UserLimit.Value ?? 0) : Optional.Create<int>()
             };
             return await client.ApiClient.ModifyGuildChannelAsync(channel.Id, apiArgs, options).ConfigureAwait(false);
         }

src/Discord.Net.Rest/Entities/Channels/RestVoiceChannel.cs

@@ -1,5 +1,4 @@
-using Discord.API.Rest;
-using Discord.Audio;
+using Discord.Audio;
 using System;
 using System.Collections.Generic;
 using System.Diagnostics;
@@ -13,7 +12,7 @@ namespace Discord.Rest
     public class RestVoiceChannel : RestGuildChannel, IVoiceChannel, IRestAudioChannel
     {
         public int Bitrate { get; private set; }
-        public int UserLimit { get; private set; }
+        public int? UserLimit { get; private set; }
 
         internal RestVoiceChannel(BaseDiscordClient discord, IGuild guild, ulong id)
             : base(discord, guild, id)
@@ -30,7 +29,7 @@ namespace Discord.Rest
             base.Update(model);
 
             Bitrate = model.Bitrate.Value;
-            UserLimit = model.UserLimit.Value;
+            UserLimit = model.UserLimit.Value != 0 ? model.UserLimit.Value : (int?)null;
         }
 
         public async Task ModifyAsync(Action<VoiceChannelProperties> func, RequestOptions options = null)

src/Discord.Net.Rpc/Entities/Channels/RpcVoiceChannel.cs

@@ -1,5 +1,4 @@
-using Discord.API.Rest;
-using Discord.Audio;
+using Discord.Audio;
 using Discord.Rest;
 using System;
 using System.Collections.Generic;
@@ -14,8 +13,8 @@ namespace Discord.Rpc
     [DebuggerDisplay(@"{DebuggerDisplay,nq}")]
     public class RpcVoiceChannel : RpcGuildChannel, IRpcAudioChannel, IVoiceChannel
     {
-        public int UserLimit { get; private set; }
         public int Bitrate { get; private set; }
+        public int? UserLimit { get; private set; }
         public IReadOnlyCollection<RpcVoiceState> VoiceStates { get; private set; }
 
         internal RpcVoiceChannel(DiscordRpcClient discord, ulong id, ulong guildId)
@@ -32,7 +31,7 @@ namespace Discord.Rpc
         {
             base.Update(model);
             if (model.UserLimit.IsSpecified)
-                UserLimit = model.UserLimit.Value;
+                UserLimit = model.UserLimit.Value != 0 ? model.UserLimit.Value : (int?)null;
             if (model.Bitrate.IsSpecified)
                 Bitrate = model.Bitrate.Value;
             VoiceStates = model.VoiceStates.Select(x => RpcVoiceState.Create(Discord, x)).ToImmutableArray();

src/Discord.Net.WebSocket/Entities/Channels/SocketVoiceChannel.cs

@@ -1,5 +1,4 @@
-using Discord.API.Rest;
-using Discord.Audio;
+using Discord.Audio;
 using Discord.Rest;
 using System;
 using System.Collections.Generic;
@@ -15,7 +14,7 @@ namespace Discord.WebSocket
     public class SocketVoiceChannel : SocketGuildChannel, IVoiceChannel, ISocketAudioChannel
     {
         public int Bitrate { get; private set; }
-        public int UserLimit { get; private set; }
+        public int? UserLimit { get; private set; }
 
         public override IReadOnlyCollection<SocketGuildUser> Users
             => Guild.Users.Where(x => x.VoiceChannel?.Id == Id).ToImmutableArray();
@@ -35,7 +34,7 @@ namespace Discord.WebSocket
             base.Update(state, model);
 
             Bitrate = model.Bitrate.Value;
-            UserLimit = model.UserLimit.Value;
+            UserLimit = model.UserLimit.Value != 0 ? model.UserLimit.Value : (int?)null;
         }
 
         public Task ModifyAsync(Action<VoiceChannelProperties> func, RequestOptions options = null)