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Is File Existed

using System; using System.Collections.Generic; using System.Text; using System.Diagnostics; using System.Windows.Forms; using System.Text.RegularExpressions; using System.IO; using System.Drawing.Imaging; using System.Reflection; namespace SuchSofts.OpenImage.Lib.Operation {     internal class CommonOperations     {         public static bool IsFileExisted(string path, ref string name)         {             if (File.Exists(path + name))             {                 string mainName = name;                 string exName = "";                 int exStartIndex = name.LastIndexOf(".");                 if (exStartIndex != -1)                 {                     mainName = name.Substring(0, exStartIndex);                     exName = name.Substring(exStartIndex);                 }                 for (long i = 1; File.Exists(name = (mainName + i.ToString() + exName)); i++) ;                 return false;             }             else             {                 return true;             }         }     } }