batファイルのみでWinFormsを構築してみるテスト

CreateWinForms.bat

@(echo '> NUL
echo off)
setlocal enableextensions
echo %~n0%~x0
if "%~1" neq "RESTARTED" ( goto RESTART )
set "THIS_PATH=%~f0"
set "PARAM_1=%~2"
PowerShell.exe -Command "iex -Command ((gc \"%THIS_PATH:`=``%\") -join \"`n\")"
exit /b %errorlevel%
:RESTART
powershell -NoProfile -ExecutionPolicy unrestricted -Command "Start-Process \"%~f0\" -ArgumentList \"RESTARTED %~1\" -WindowStyle Hidden"
exit
') | sv -Name TempVar

function WinForms
{
$code = @"
using System;
using System.IO;
using System.Windows.Forms;
using System.Drawing;

public class MyClass {

  [STAThread]
  public static void Main() {
    Application.EnableVisualStyles();
    Application.SetCompatibleTextRenderingDefault(false);
    Application.Run(new Form1());
  }

  private class Form1: Form {
    private TextBox textBox1;
    private Button button1;

    public Form1() {
      InitializeComponent();
    }

    private void InitializeComponent() {
      this.textBox1 = new TextBox();
      this.button1 = new Button();

      this.textBox1.Location = new Point(47, 49);
      this.textBox1.Name = "textBox1";
      this.textBox1.Size = new System.Drawing.Size(191, 19);
      this.textBox1.TabIndex = 0;

      this.button1.Location = new Point(274, 47);
      this.button1.Name = "button1";
      this.button1.Size = new Size(75, 23);
      this.button1.TabIndex = 1;
      this.button1.Text = "実行";
      this.button1.UseVisualStyleBackColor = true;
      this.button1.Click += new EventHandler(this.button1_Click);

      this.ClientSize = new Size(400, 150);
      this.Controls.Add(this.button1);
      this.Controls.Add(this.textBox1);
      this.Text = "フォームのタイトル";
      this.StartPosition = FormStartPosition.CenterScreen;
    }

    private void button1_Click(object sender, EventArgs e) {
      Console.WriteLine("button1_Click");

      // テンポラリフォルダのパスを取得
      string path = Environment.GetEnvironmentVariable("temp");

      // 書き込むファイルのフルパスを編集する
      string writePath = string.Format(@"{0}\_input_result", path);

      using(StreamWriter sw = new StreamWriter(writePath, false)) {
        // 書き込み
        sw.Write(textBox1.Text);

        // ファイルを閉じます
        sw.Close();

      }

      Application.Exit();
    }
  }
}
"@
    Add-Type -Language CSharp -TypeDefinition $code -ReferencedAssemblies (
        "System.Windows.Forms",
        "System.Drawing"
    )
    [MyClass]::Main()
}

WinForms