“DirectoryInfo”方法没有采用“0”个参数的重载

Question

private void LoadFilesInDirectory(string CurrentDirectoryValue)
        {
            try
            {
                this.DirectoryInfolistView.Items.Clear();//clear
                string CurrentDirectory = CurrentDirectoryValue;
                DirectoryInfo  newCurrentDirectory  =  new DirectoryInfo();
                DirectoryInfo[] DirectoryInfoArray = newCurrentDirectory.GetDirectories();//directory
                FileInfo[] fileArray = newCurrentDirectory.GetFiles();//file
                foreach (DirectoryInfo dir in DirectoryInfoArray)
                {
                    ListViewItem newDirectoryItem = this.DirectoryInfolistView.Items.Add(dir.Name);
                    newDirectoryItem.SubItems.Add(dir.LastAccessTime.ToString());
                    newDirectoryItem.SubItems.Add("");
                    newDirectoryItem.SubItems.Add(dir.Attributes.ToString());
                    newDirectoryItem.ImageIndex = 0;                }
                foreach (FileInfo file in fileArray)
                {
                    ListViewItem newFileItem = this.DirectoryInfolistView.Items.Add(file.Name);
                    newFileItem.SubItems.Add(file.LastAccessTime.ToString());
                    newFileItem.SubItems.Add(file.Length.ToString());
                    newFileItem.SubItems.Add(file.Attributes.ToString());
                    newFileItem.ImageIndex = 1;                  
                }
            }
            catch (UnauthorizedAccessException)
            {                MessageBox.Show("文件因打幵方式不能访问", "注意", MessageBoxButtons.OK, MessageBoxIcon.Warning);
            }
          
        }错误 2 “DirectoryInfo”方法没有采用“0”个参数的重载 D:\chenxuwenjian\yaqi\AA\AA\D.cs 71 56 AA
也就是此句：           DirectoryInfo  newCurrentDirectory  =  new DirectoryInfo();//？？？？？？？？？

Answer 1

public DirectoryInfo (string path);构造函数需要传递一个参数 

Answer 2

其实已经提示得很清楚了...把MSDN上的定义给你看下:
public DirectoryInfo (
string path
)
 
C++ 
public:
DirectoryInfo (
String^ path
)
 
J# 
public DirectoryInfo (
String path
) 
参数
path
一个字符串，它指定要在其中创建 DirectoryInfo 的路径。

Answer 3

C# 
public DirectoryInfo (
string path
)
 
C++ 
public:
DirectoryInfo (
String^ path
)
 
J# 
public DirectoryInfo (
String path
)
 
JScript 
public function DirectoryInfo (
path : String
)
 
参数
path
一个字符串，它指定要在其中创建 DirectoryInfo 的路径。 

Answer 4

DirectoryInfo  newCurrentDirectory  =  new DirectoryInfo("c:\\");
ok