// this occurs when user selects a guild from the guild box
private void lbGuilds_SelectedValueChanged(object sender, EventArgs e)
{
// check if the item is a guild, if not, don't do anything
if (!(lbGuilds.SelectedItem is BotGuild bg))
{
return;
}
// set the UI state
this.SelectedGuild = bg;
this.SelectedChannel = default(BotChannel);
// clear the channel and message lists
this.lbChannels.ClearSelected();
this.lbChannels.Items.Clear();
this.lbBanter.ClearSelected();
this.lbBanter.Items.Clear();
// populate the channel list
var chns = bg.Guild.Channels.Values
.Where(xc => xc.Type == ChannelType.Text)
.OrderBy(xc => xc.Position)
.Select(xc => new BotChannel(xc));
this.lbChannels.Items.AddRange(chns.Cast <object>().ToArray());
}
// this occurs when user selects a channel from the channel box
private void lbChannels_SelectedValueChanged(object sender, EventArgs e)
{
// check if the item is a channel, if not, don't do anything
if (!(lbChannels.SelectedItem is BotChannel bc))
{
return;
}
// set the UI state
this.SelectedChannel = bc;
// clear the message list
this.lbBanter.ClearSelected();
this.lbBanter.Items.Clear();
}
// this method will be ran on the bot's thread
// it will take care of the initialization logic, as
// well as actually handling the bot
private async Task BotThreadCallback()
{
// this will start the bot
await this.Bot.StartAsync().ConfigureAwait(false);
// once the bot is started, we can enable the UI
// elements again
this.btBotctl.SetProperty(x => x.Enabled, true);
this.btMsgSend.SetProperty(x => x.Enabled, true);
this.tbMsg.SetProperty(x => x.Enabled, true);
// here we wait indefinitely, or until the wait is
// cancelled
try
{
// the token will cancel the way once it's
// requested
await Task.Delay(-1, this.TokenSource.Token).ConfigureAwait(false);
}
catch { /* ignore the exception; it's expected */ }
// this will stop the bot
await this.Bot.StopAsync().ConfigureAwait(false);
// once the bot is stopped, we can enable the UI
// elements again
this.btBotctl.SetProperty(x => x.Enabled, true);
this.btMsgSend.SetProperty(x => x.Enabled, false);
this.tbMsg.SetProperty(x => x.Enabled, false);
this.SetProperty(x => x.Text, "Example WinForms Bot");
// furthermore, we need to clear the listboxes
this.lbGuilds.InvokeAction(new Action(this.lbGuilds.Items.Clear));
this.lbChannels.InvokeAction(new Action(this.lbChannels.Items.Clear));
this.lbBanter.InvokeAction(new Action(this.lbBanter.Items.Clear));
// and reset the UI state
this.SelectedGuild = default(BotGuild);
this.SelectedChannel = default(BotChannel);
// and finally, dispose of our bot stuff
this.Bot = null;
this.TokenSource = null;
this.BotThread = null;
}
// this is used by the send message method, to // asynchronously send the message private Task BotSendMessageCallback(string text, BotChannel chn) => chn.Channel.SendMessageAsync(text);