private void BtnAddFile_Click(object sender, RoutedEventArgs e) 
  { 
   OpenFileDialog openFileDialog = new OpenFileDialog(); 
   if (openFileDialog.ShowDialog() == System.Windows.Forms.DialogResult.OK) 
   { 
    string path = openFileDialog.FileName; 
    // System.Windows.Forms.MessageBox.Show(path); 
    MyFile.addFile(path); 
   } 
  } 

public static void addFile(string path)  
    { 
      string[] s = path.Split('\\'); 
 
      try 
      { 
        File.Copy(path, "E:\\Share\\"+s[s.Length-1], true);  

     //path是你要复制的文件，第二个是目标路径，注意要获得文件名      
  } 
  catch (Exception ex)  
  { 
    System.Windows.Forms.MessageBox.Show(ex.Message); 
  } 
} 

public static void deleteFile(string path) 
  { 
   if (System.IO.File.Exists(path)) 
   { 
    try 
    { 
     System.IO.File.Delete(path); 
    } 
    catch (System.IO.IOException e) 
    { 
     Console.WriteLine(e.Message); 
     return; 
    } 
   } 
  }