mes-client/UAS_DeviceMonitor/PublicMethod/BaseUtil.cs

using DevExpress.XtraEditors;
using DevExpress.XtraEditors.Repository;
using System;
using System.Data;
using System.Runtime.InteropServices;
using System.Text;
using System.Windows.Forms;
using UAS_DeviceMonitor.DataOperate;

namespace UAS_DeviceMonitor.PublicMethod
{
    class BaseUtil
    {

        [DllImport("kernel32.dll", EntryPoint = "SetProcessWorkingSetSize")]
        public static extern int SetProcessWorkingSetSize(IntPtr process, int minSize, int maxSize);

        public static void FillComBoxEditWidthDataTable(RepositoryItemComboBox combo, string TextField, string ValueField, DataTable dt)
        {
            combo.Items.Clear();
            for (int i = 0; i < dt.Rows.Count; i++)
            {
                ComboBoxData item = new ComboBoxData();
                item.Value = dt.Rows[i][ValueField].ToString();
                item.Text = dt.Rows[i][TextField].ToString();
                combo.Items.Add(item);
            }
        }

        public static void FillComBoxEditWidthDataTable(ComboBoxEdit combo, string TextField, string ValueField, DataTable dt)
        {
            combo.Properties.Items.Clear();
            for (int i = 0; i < dt.Rows.Count; i++)
            {
                ComboBoxData item = new ComboBoxData();
                item.Value = dt.Rows[i][ValueField].ToString();
                item.Text = dt.Rows[i][TextField].ToString();
                combo.Properties.Items.Add(item);
            }
            combo.SelectedIndex = 0;
        }

        public static DataTable ToDataTable(DataRow[] rows)
        {
            if (rows == null || rows.Length == 0) return new DataTable();
            DataTable tmp = rows[0].Table.Clone();  // 复制DataRow的表结构  
            foreach (DataRow row in rows)
                tmp.Rows.Add(row.ItemArray);  // 将DataRow添加到DataTable中  
            return tmp;
        }

        public static string GetComboxEditValue(ComboBoxEdit ComBox)
        {
            if (ComBox.SelectedItem == null)
                return ComBox.Text;
            else
                return (ComBox.SelectedItem as ComboBoxData).Value;
        }

        /// <summary>
        /// 获取LRC
        /// </summary>
        /// <param name="SQL"></param>
        public static string getLRC(string SENDMESSAGE)
        {
            string message = SENDMESSAGE.Trim();
            if (message.Length % 2 != 0)
            {
                message = message + "0";
            }

            int LRC = 0x0;
            for (int i = 0; i < message.Length; i = i + 2)
            {
                int inside = int.Parse(message.Substring(i, 1).ToString() + message.Substring(i + 1, 1).ToString(), System.Globalization.NumberStyles.HexNumber);
                LRC += inside;
            }
            string _LRC = string.Format("{0:X2}", LRC);
            string LRCre = "";
            for (int i = 0; i < _LRC.Length; i++)
            {
                int index;
                index = 0xF - int.Parse(_LRC.Substring(i, 1).ToString(), System.Globalization.NumberStyles.HexNumber);
                LRCre += string.Format("{0:X}", index);
            }

            LRCre = string.Format("{0:X}", int.Parse(LRCre, System.Globalization.NumberStyles.HexNumber) + 1);

            return LRCre;
        }

        public static string ByteToHexadecimalString(byte[] b, int length)
        {
            string returnStr = "";
            if (b != null)
            {
                for (int i = 0; i < length; i++)
                {
                    returnStr += Convert.ToString(b[i], 16);//ToString("X2") 为C#中的字符串格式控制符
                }
            }
            return returnStr;
        }

        public static void CleanMemory()
        {
            GC.Collect();
            GC.WaitForPendingFinalizers();
            if (Environment.OSVersion.Platform == PlatformID.Win32NT)
            {
                SetProcessWorkingSetSize(System.Diagnostics.Process.GetCurrentProcess().Handle, -1, -1);
            }
        }
    }
}