Pane.SendKeysAsync

{
  "sdk": {
    "version": "10.0.303",
    "rollForward": "disable",
    "allowPrerelease": false
  },
  "test": {
    "runner": "Microsoft.Testing.Platform"
  }
}

<?xml version="1.0" encoding="utf-8"?>
<configuration>
  <packageSources>
    <clear />
    <add key="libtmux-source" value="libtmux-source/artifacts/api-example-packages" />
    <add key="nuget.org" value="https://api.nuget.org/v3/index.json" />
  </packageSources>
  <packageSourceMapping>
    <clear />
    <packageSource key="libtmux-source">
      <package pattern="LibTmux" />
      <package pattern="LibTmux.*" />
    </packageSource>
    <packageSource key="nuget.org">
      <package pattern="*" />
    </packageSource>
  </packageSourceMapping>
</configuration>

<Project Sdk="Microsoft.NET.Sdk">
  <PropertyGroup>
    <OutputType>Exe</OutputType>
    <TargetFrameworks>net8.0;net10.0</TargetFrameworks>
    <LangVersion>12.0</LangVersion>
    <Nullable>enable</Nullable>
    <ImplicitUsings>disable</ImplicitUsings>
    <EnableDefaultCompileItems>false</EnableDefaultCompileItems>
    <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
    <AnalysisLevel>10-recommended</AnalysisLevel>
  </PropertyGroup>
  <ItemGroup>
    <Compile Include="Program.cs" />
    <PackageReference Include="LibTmux" Version="[0.0.0-alpha.20]" />
  </ItemGroup>
</Project>

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using LibTmux;

if (OperatingSystem.IsWindows())
{
    throw new PlatformNotSupportedException("This example requires tmux on Linux or macOS.");
}

using CancellationTokenSource deadline = new(TimeSpan.FromSeconds(10));
CancellationToken token = deadline.Token;
string binary = Environment.GetEnvironmentVariable("LIBTMUX_TMUX") ?? "tmux";
string socketName = "csharp-inputcapture-" + Guid.NewGuid().ToString("N");
ServerConnectionOptions options = new()
{
    SocketName = socketName,
    ConfigurationFile = "/dev/null",
    TmuxBinaryPath = binary,
};

await using OwnedServerScope owned = await Server.CreateOwnedAsync(options, token);
await using OwnedSessionScope session = await owned.Value.CreateOwnedSessionAsync(
    new NewSessionRequest { Name = "demo", Command = "/bin/sh" }, token);
Server server = await Server.ConnectAsync(options, token);
Pane pane = (await server.GetPanesAsync(token)).Single();
string channel = "capture-" + Guid.NewGuid().ToString("N");
await using TmuxWaitChannel wait = server.OpenWaitChannel(channel);
const string marker = "api capture ready";
string command = $"printf '%s\\n' {QuoteShell(marker)}; "
    + $"{QuoteShell(binary)} -L {QuoteShell(socketName)} wait-for -S {QuoteShell(channel)}";

await pane.SendKeysAsync(new SendKeysRequest { Text = command, Literal = true, Enter = false }, token);
await pane.SendKeysAsync(new SendKeysRequest { Text = "Enter", Enter = false }, token);
if (!await wait.WaitAsync(TimeSpan.FromSeconds(5), token))
{
    throw new InvalidOperationException("The pane did not signal that its output was ready.");
}
IReadOnlyList<string> lines = await pane.CaptureAsync(
    new CapturePaneRequest { JoinWrappedLines = true }, token);
// Joining wrapped lines preserves terminal padding after the output.
if (!lines.Any(line => string.Equals(line.TrimEnd(), marker, StringComparison.Ordinal)))
{
    throw new InvalidOperationException("Capture did not contain the complete output line.");
}
Console.WriteLine(marker);

static string QuoteShell(string value) => "'" + value.Replace("'", "'\\''", StringComparison.Ordinal) + "'";

api capture ready