using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Runtime.InteropServices;
using System.Windows.Forms;


namespace ETGPARKING_ASKT
{
    class IniFile
    {
        private D _DB_loc = new D();
        public string IniReadString(string sSection, string sKey)
        {
            string path = Application.StartupPath + "\\option.ini";
            string sTmp = "";
            Win32.GetPrivateProfileString(sSection, sKey, "", sTmp, 100, path);
            return (sTmp);

        }

        public class Win32 // описание класса
        {
            [DllImport("user32.dll", CharSet = CharSet.Auto)]
            public static extern int MessageBox(int hWnd, String text,
                String caption, uint type);
            [DllImport("Kernel32.dll", CharSet = CharSet.Auto)]
            public static extern int GetPrivateProfileString(String sSection, String sKey, String sDefault,
                String sString, int iSize, String sFile);
            [DllImport("Kernel32.dll", CharSet = CharSet.Auto)]
            public static extern bool WritePrivateProfileString(String sSection, String sKey, String sString, String sFile);
        }

    }
}

string path = Application.StartupPath + "\\option.ini";
            string sTmp = "";
            StringBuilder sb = new StringBuilder(256);
            //Win32.GetPrivateProfileString(sSection, sKey, "", sb, sb.Capacity, path);
            Win32.GetPrivateProfileString("PGSQLConnectAssign", "Server", "", sb, sb.Capacity, path);
            sTmp  = sb.ToString();
            return (sTmp);