startstopextprogram_snippets_visualstudio/StartStopExtProgram/StartStopExtProgram.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Diagnostics;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Resources;
using System.Text;
using System.Threading;
using System.Threading.Tasks;

namespace Eugen.ESystem
{
    public class StartStopExtProgram
    {
        /// <summary>
        /// Starts or stops an external program.
        /// </summary>
        /// <param name="program">A valid program name with path and extension.</param>
        public StartStopExtProgram(string program)
        {
            SetBaseValues(program);
            StartStop(String.Concat(ProgramPath, "\\", Program), Arg, WinStyleMinimized, ProcessName);
        }

        /// <summary>
        /// Starts or stops an external program in declared window style.
        /// </summary>
        /// <param name="program">A valid program name with path and extension.</param>
        /// <param name="winStyleMinimized">Window style: false=visible, true=minimized.</param>
        public StartStopExtProgram(string program, bool winStyleMinimized)
        {
            SetBaseValues(program, winStyleMinimized);
            StartStop(String.Concat(ProgramPath, "\\", Program), Arg, WinStyleMinimized, ProcessName);
        }

        /// <summary>
        /// Starts or stops an external program in declared window style and transfer parameter.
        /// </summary>
        /// <param name="program">A valid program name with path and extension.</param>
        /// <param name="arg">A valid transfer parameter.</param>
        /// <param name="winStyleMinimized">Window style: false=visible, true=minimized.</param>
        public StartStopExtProgram(string program, string arg, bool winStyleMinimized)
        {
            SetBaseValues(program, arg, winStyleMinimized);
            StartStop(String.Concat(ProgramPath, "\\", Program), Arg, WinStyleMinimized, ProcessName);
        }

        /// <summary>
        /// Starts or stops an external program in declared window style and transfer parameter.
        /// </summary>
        /// <param name="programPath">A valid program path.</param>
        /// <param name="programName">A valid program name with extension.</param>
        /// <param name="arg">A valid transfer parameter.</param>
        /// <param name="winStyleMinimized">Window style: false=visible, true=minimized.</param>
        public StartStopExtProgram(string programPath, string programName, string arg, bool winStyleMinimized)
        {
            SetBaseValues(programPath, programName, arg, winStyleMinimized);
            StartStop(String.Concat(ProgramPath, "\\", Program), Arg, WinStyleMinimized, ProcessName);
        }

        protected string ProgramPath { set; get; }
        protected string Program { set; get; }
        protected string Arg { set; get; }
        protected bool WinStyleMinimized { set; get; }
        protected string ProcessName { set; get; }

        private void SetBaseValues(string program)
        {
            if (File.Exists(program))
            {
                Program = Path.GetFileName(program);
                ProgramPath = Path.GetDirectoryName(program);
            }
            else
            {
                throw new NoValidProgramNameException(Language.message001);
            }

            Arg = "";
            WinStyleMinimized = false;

            ProcessName = SetProcessName(program);
        }

        private void SetBaseValues(string program, bool winStyleMinimized)
        {
            if (File.Exists(program))
            {
                Program = Path.GetFileName(program);
                ProgramPath = Path.GetDirectoryName(program);
            }
            else
            {
                throw new NoValidProgramNameException(Language.message001);
            }

            Arg = "";
            WinStyleMinimized = winStyleMinimized;

            ProcessName = SetProcessName(program);
        }

        private void SetBaseValues(string program, string arg, bool winStyleMinimized)
        {
            if (File.Exists(program))
            {
                Program = Path.GetFileName(program);
                ProgramPath = Path.GetDirectoryName(program);
            }
            else
            {
                throw new NoValidProgramNameException(Language.message001);
            }

            Arg = arg;
            WinStyleMinimized = winStyleMinimized;

            ProcessName = SetProcessName(program);
        }

        private void SetBaseValues(string programPath, string programName, string arg, bool winStyleMinimized)
        {
            if (Directory.Exists(programPath))
            {
                ProgramPath = programPath;
            }
            else
            {
                throw new NoValidFolderStructureException(Language.message003);
            }

            if (File.Exists(String.Concat(programPath, "\\", programName)))
            {
                Program = programName;
            }
            else
            {
                throw new NoValidProgramNameException(Language.message002);
            }

            Arg = arg;
            WinStyleMinimized = winStyleMinimized;

            ProcessName = SetProcessName(programName);
        }

        private string SetProcessName(string program)
        {
            if (!String.IsNullOrEmpty(program))
            {
                System.Text.StringBuilder sb = new System.Text.StringBuilder();
                sb.Append(program.Substring(0, 1).ToUpper() + program.Substring(1));
                return Path.GetFileNameWithoutExtension(sb.ToString());
            }
            else
            {
                throw new UnableToGenerateProcessNameException(Language.message002);
            }
        }

        private void StartStop(string program, string arg, bool winStyle, string processName)
        {
            if (!CheckProcessIsRun(processName))
            {
                Start(program, arg, winStyle);
            }
            else
            {
                Stop(program);
            }
        }

        private static bool CheckProcessIsRun(string processName)
        {
            //Prüfen ob der Prozess läuft
            return (Process.GetProcessesByName(processName).Length > 0);
        }

        private void Start(string program, string arg, bool winStyle)
        {
            try
            {
                ProcessStartInfo startProgram = new ProcessStartInfo(program);
                startProgram.Arguments = arg;
                if (winStyle)
                {
                    startProgram.WindowStyle = ProcessWindowStyle.Minimized;
                }
                Process.Start(startProgram);
            }
            catch (Exception)
            {
                throw new UnableToRunProgramException(Language.message005);
            }
        }

        private void Stop(string program)
        {
            try
            {
                string process = program.Remove(0, program.LastIndexOf(@"\") + 1);
                process = process.Remove(process.Length - 4);

                Process[] close = Process.GetProcessesByName(process);
                close[0].CloseMainWindow();
                close[0].Kill();
            }
            catch (Exception ex)
            {
                throw new UnableToStopProgramException("Programm konnte nicht beendet werden!\n\n" + ex);
            }
        }
    }

    #region Exceptions
    class NoValidFolderStructureException : ApplicationException
    {
        public NoValidFolderStructureException()
        {
        }

        public NoValidFolderStructureException(string message)
            : base(message)
        {
        }

        public NoValidFolderStructureException(string message, Exception inner)
            : base(message, inner)
        {
        }
    }

    class NoValidProgramNameException : ApplicationException
    {
        public NoValidProgramNameException()
        {
        }

        public NoValidProgramNameException(string message)
            : base(message)
        {
        }

        public NoValidProgramNameException(string message, Exception inner)
            : base(message, inner)
        {
        }
    }

    class UnknownErrorException : ApplicationException
    {
        public UnknownErrorException()
        {
        }

        public UnknownErrorException(string message)
            : base(message)
        {
        }

        public UnknownErrorException(string message, Exception inner)
            : base(message, inner)
        {
        }
    }

    class UnableToRunProgramException : ApplicationException
    {
        public UnableToRunProgramException()
        {
        }

        public UnableToRunProgramException(string message)
            : base(message)
        {
        }

        public UnableToRunProgramException(string message, Exception inner)
            : base(message, inner)
        {
        }
    }

    class UnableToStopProgramException : ApplicationException
    {
        public UnableToStopProgramException()
        {
        }

        public UnableToStopProgramException(string message)
            : base(message)
        {
        }

        public UnableToStopProgramException(string message, Exception inner)
            : base(message, inner)
        {
        }
    }

    class UnableToGenerateProcessNameException : ApplicationException
    {
        public UnableToGenerateProcessNameException()
        {
        }

        public UnableToGenerateProcessNameException(string message)
            : base(message)
        {
        }

        public UnableToGenerateProcessNameException(string message, Exception inner)
            : base(message, inner)
        {
        }
    }
    #endregion
}