CaptureConsole.DLL - A Universal Console Output Redirector for all Compilers

using System;
using System.IO;
using System.Drawing;
using System.Collections;
using System.Threading;
using System.ComponentModel;
using System.Windows.Forms;
using System.Runtime.InteropServices;

namespace ConsoleDemo
{
	public class MainForm : System.Windows.Forms.Form
	{
		[DllImport("CaptureConsole.dll", EntryPoint="ExecuteW", CharSet=CharSet.Unicode)]
		static extern UInt32 ExecuteW(string   s_Commandline,
		                              UInt32 u32_FirstConvert,
		                              string   s_CurrentDir,
		                              string   s_Environment,
		                              bool     b_SeparatePipes,
		                              UInt32 u32_Timeout,
		                              [MarshalAs(UnmanagedType.BStr)] out string s_ApiError, 
		                              [MarshalAs(UnmanagedType.BStr)] out string s_StdOut, 
		                              [MarshalAs(UnmanagedType.BStr)] out string s_StdErr);

		public MainForm()
		{
			InitializeComponent();
		}

		protected override void OnLoad(EventArgs e)
		{
			base.OnLoad (e);

			Thread i_Thread = new Thread(new ThreadStart(ConsoleThread));
			i_Thread.Start();
		}

		string ExecuteAndPrint(string s_CommandLine, UInt32 u32_FirstConvert, string s_Environ, bool b_SeparatePipes, UInt32 u32_Timeout)
		{
			// Execute Console Application
			string s_ApiError, s_StdOut, s_StdErr;
			UInt32 u32_ExitCode = ExecuteW(s_CommandLine, u32_FirstConvert, null, s_Environ, b_SeparatePipes, u32_Timeout, out s_ApiError, out s_StdOut, out s_StdErr);

            // Format Output
			string s_Out = "";
			if (s_ApiError.Length > 0) // API Error occurred
			{
				s_Out += "\r\n" + s_ApiError;
			}
			else if (b_SeparatePipes)
			{
				s_Out += "\r\n------ STDOUT only :\r\n" + s_StdOut;
				s_Out += "\r\n------ STDERR only :\r\n" + s_StdErr;
				s_Out += "ExitCode= " + u32_ExitCode + "\r\n";
			}
			else
			{
				s_Out += "\r\n------ STDOUT + STDERR in realtime :\r\n" + s_StdOut;
				s_Out += "ExitCode= " + u32_ExitCode + "\r\n";
			}
			return s_Out;
		}

		private void ConsoleThread()
		{
			string s_ExeDir  = Path.GetDirectoryName(Application.ExecutablePath);
			string s_Environ = "UserVariable1=This environment variable was passed to the console!\nUserVariable2=This is User Variable 2\n";

			// -----------------------------------------------------------------------

			String s_Output = "==> Now starting ConsoleTest.exe invisible in the background\r\n";
			s_Output += "    Obtain stdout and stderr by one common pipe:\r\n";
			Print(s_Output);

			// Passing the commandline parameters "Hello" and "World" to the Console application
			string s_Command = string.Format("\"{0}\\ConsoleTest.exe\" \"Hello W�rld\" Test", s_ExeDir);

			s_Output += ExecuteAndPrint(s_Command, 1, s_Environ, false, 120000);

			// -----------------------------------------------------------------------

			s_Output += "\r\n##########################################################################################\r\n";
			s_Output += "\r\n==> Now starting ConsoleTest.exe invisible in the background\r\n";
			s_Output += "    Obtain stdout and stderr by two separate pipes:\r\n";
			Print(s_Output);

			// Passing the commandline parameters "Test" and "Two" to the Console application
			s_Command = string.Format("\"{0}\\ConsoleTest.exe\" Test Two", s_ExeDir);

			s_Output += ExecuteAndPrint(s_Command, 1, s_Environ, true, 120000);

			// -----------------------------------------------------------------------

			s_Output += "\r\n##########################################################################################\r\n";
			s_Output += "\r\n==> Now starting ConsoleTest.bat invisible in the background\r\n";
			Print(s_Output);

			s_Command = string.Format("\"{0}\\ConsoleTest.bat\"  \"Hello W�rld\" Test", s_ExeDir);

			s_Output += ExecuteAndPrint(s_Command, 0, s_Environ, false, 120000);

			Print(s_Output);
		}

		/// <summary>
		/// Write into the textbox always from the GUI thread.
		/// Print() is called twice:
		/// First in the context of the ConsoleThread (InvokeRequired = true) 
		/// and then it calls itself in the context of the GUI thread (InvokeRequired = false)
		/// </summary>
		delegate void delPrint(string s_Text);
		
		void Print(string s_Text)
		{
		    if (InvokeRequired) 
		        Invoke(new delPrint(Print), new object[]{s_Text});
		    else 
		        textBox.Text = s_Text;
		}

		#region Windows Form Designer generated code

		private System.Windows.Forms.TextBox textBox;
		private System.ComponentModel.Container components = null;

		[STAThread]
		static void Main() 
		{
			Application.Run(new MainForm());
		}

		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if (components != null) 
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		/// <summary>
		/// Required method for Designer support - do not modify
		/// the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent()
		{
			this.textBox = new System.Windows.Forms.TextBox();
			this.SuspendLayout();
			// 
			// textBox
			// 
			this.textBox.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) 
				| System.Windows.Forms.AnchorStyles.Left) 
				| System.Windows.Forms.AnchorStyles.Right)));
			this.textBox.Font = new System.Drawing.Font("Courier New", 9F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
			this.textBox.Location = new System.Drawing.Point(16, 16);
			this.textBox.Multiline = true;
			this.textBox.Name = "textBox";
			this.textBox.ScrollBars = System.Windows.Forms.ScrollBars.Vertical;
			this.textBox.Size = new System.Drawing.Size(744, 424);
			this.textBox.TabIndex = 0;
			this.textBox.Text = "";
			// 
			// MainForm
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
			this.ClientSize = new System.Drawing.Size(776, 461);
			this.Controls.Add(this.textBox);
			this.MaximizeBox = false;
			this.Name = "MainForm";
			this.SizeGripStyle = System.Windows.Forms.SizeGripStyle.Show;
			this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
			this.Text = "Console Demo C#";
			this.ResumeLayout(false);

		}
		#endregion
	}
}