Sry.Solution.Components/FileHelper.cs

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namespace ChangeHope.Common
{
    using System;
    using System.IO;
    using System.Text;

    public class FileHelper
    {
        private Encoding defaultEncoding = Encoding.UTF8;
        private int directoryIndex = 0;
        public StringBuilder fileTree = new StringBuilder();
        private int listIndex = 0;
        public string rootUrl = "";

        public bool CopyFile(string FileOldPath, string FileNewPath, bool IsReplaceFile)
        {
            try
            {
                if (File.Exists(FileOldPath))
                {
                    if (!File.Exists(FileNewPath))
                    {
                        if (!File.Exists(FileNewPath.Substring(0, FileNewPath.LastIndexOf(@"\"))))
                        {
                            this.CreateDirectory(FileNewPath.Substring(0, FileNewPath.LastIndexOf(@"\")));
                        }
                        File.Copy(FileOldPath, FileNewPath);
                        return true;
                    }
                    if (IsReplaceFile)
                    {
                        File.Delete(FileNewPath);
                        File.Copy(FileOldPath, FileNewPath);
                        return true;
                    }
                }
                return false;
            }
            catch
            {
                return false;
            }
        }

        public bool CreateDirectory(string filePath)
        {
            try
            {
                if (!Directory.Exists(filePath))
                {
                    DirectoryInfo di = Directory.CreateDirectory(filePath);
                }
                return true;
            }
            catch
            {
                return false;
            }
        }