C#打開文件夾並定位到指定的文件

[csharp] 
public void PositionFile(string sFileFullName) 
     { 
         if (!System.IO.File.Exists(sFileFullName)) return; 
 
         System.Diagnostics.ProcessStartInfo psi = new System.Diagnostics.ProcessStartInfo("Explorer.exe"); 
         //string file = @"c:/windows/notepad.exe"; 
         psi.Arguments = " /select," + sFileFullName; 
         System.Diagnostics.Process.Start(psi); 
     }