C#使用WIN32API来遍历文件和目录[2]

private System.Collections.ArrayList myList = new System.Collections.ArrayList();

}//public class FileDirectoryEnumerable : System.Collections.IEnumerable

///

/// 文件和目录的遍历器
///
/// 本对象为Win32API函数 FindFirstFile , FindNextFile
/// 和 FindClose 的一个包装
///
/// 以下代码演示使用了 FileDirectoryEnumerator
///
/// FileDirectoryEnumerator e = new FileDirectoryEnumerator();
/// e.SearchPath = @"c:";
/// e.Reset();
/// e.ReturnStringType = true ;
/// while (e.MoveNext())
/// {
/// System.Console.WriteLine
/// ( e.LastAccessTime.ToString("yyyy-MM-dd HH:mm:ss")
/// + " " + e.FileLength + " t" + e.Name );

字串7

/// }
/// e.Close();
/// System.Console.ReadLine();
///
/// 编写 袁永福 （ http://www.xdesigner.cn ）2006-12-8
public class FileDirectoryEnumerator : System.Collections.IEnumerator
{

#region 表示对象当前状态的数据和属性 **********************************

///

/// 当前对象
///
private object objCurrentObject = null;

private bool bolIsEmpty = false;
///

/// 该目录为空
///
public bool IsEmpty
{
get { return bolIsEmpty; }
}
private int intSearchedCount = 0;

字串9

///

/// 已找到的对象的个数
///
public int SearchedCount
{
get { return intSearchedCount; }
}
private bool bolIsFile = true;
///

/// 当前对象是否为文件,若为true则当前对象为文件,否则为目录
///
public bool IsFile
{
get { return bolIsFile; }
}
private int intLastErrorCode = 0;
///

/// 最后一次操作的Win32错误代码
///
public int LastErrorCode
{
get { return intLastErrorCode; }
}
///

/// 当前对象的名称 字串2
///
public string Name
{
get
{
if (this.objCurrentObject != null)
{
if (objCurrentObject is string)
return (string)this.objCurrentObject;
else
return ((System.IO.FileSystemInfo)this.objCurrentObject).Name;
}
return null;
}
}
///

/// 当前对象属性
///
public System.IO.FileAttributes Attributes
{
get { return (System.IO.FileAttributes)myData.dwFileAttributes; }
}
///

/// 当前对象创建时间
///
public System.DateTime CreationTime

字串2

{
get
{
long time = ToLong(myData.ftCreationTime_dwHighDateTime, myData.ftCreationTime_dwLowDateTime);
System.DateTime dtm = System.DateTime.FromFileTimeUtc(time);
return dtm.ToLocalTime();
}
}
///

/// 当前对象最后访问时间
///
public System.DateTime LastAccessTime
{
get
{
long time = ToLong(myData.ftLastAccessTime_dwHighDateTime, myData.ftLastAccessTime_dwLowDateTime);
System.DateTime dtm = System.DateTime.FromFileTimeUtc(time);
return dtm.ToLocalTime();
}
}
///

/// 当前对象最后保存时间
///

字串3

public System.DateTime LastWriteTime
{
get
{
long time = ToLong(myData.ftLastWriteTime_dwHighDateTime, myData.ftLastWriteTime_dwLowDateTime);
System.DateTime dtm = System.DateTime.FromFileTimeUtc(time);
return dtm.ToLocalTime();
}
}
///

/// 当前文件长度,若为当前对象为文件则返回文件长度,若当前对象为目录则返回0
///
public long FileLength
{
get
{
if (this.bolIsFile)
return ToLong(myData.nFileSizeHigh, myData.nFileSizeLow);
else
return 0;
}
}

#endregion