в 15:31, 26 мая 2010

2010-05-26T15:31:53Z

Admin: 1 версия

2010-05-26T12:20:28Z

1 версия

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==Create FileStream from FileInfo for reading==

<source lang="csharp">using System;
using System.IO;
public class MainClass
{
static void Main(string[] args)
{
FileInfo MyFiles = new FileInfo(@"c:\Testing.txt");
FileStream MyFileStream1 = MyFiles.OpenRead();
int MyBytes = MyFileStream1.ReadByte();
MyFileStream1.Close();
}
}</source>

==Create FileStream from FileInfo for writing==

<source lang="csharp">using System;
using System.IO;
public class MainClass
{
static void Main(string[] args)
{
FileInfo MyFiles = new FileInfo(@"c:\Testing.txt");
FileStream MyFileStream1 = MyFiles.OpenWrite();
byte MyWriteByte = 100;
MyFileStream1.WriteByte(MyWriteByte);

MyFileStream1.Close();
}
}</source>

==Create StreamWriter from FileInfo==

<source lang="csharp">using System;
using System.IO;
public class MainClass
{
static void Main(string[] args)
{
FileInfo MyFile = new FileInfo(@"c:\Testing.txt");
StreamWriter MyStreamWriter = MyFile.CreateText();
MyStreamWriter.Write("a string");
MyStreamWriter.Close();

}
}</source>

==File Sorter==

<source lang="csharp">using System;
using System.IO;
using System.ruponentModel;
class FileSorter{
static void SortAndShowFiles(string title,Comparison<FileInfo> sortOrder){
FileInfo[] files = new DirectoryInfo("C:\\").GetFiles();
Array.Sort(files, sortOrder);
Console.WriteLine(title);
foreach (FileInfo file in files){
Console.WriteLine(" {0} ({1} bytes)",file.Name, file.Length);
}
}
static void Main(){
SortAndShowFiles("Sorted by name:",delegate(FileInfo first, FileInfo second)
{ return first.Name.rupareTo(second.Name); }
);
}
}</source>

==Open an existing file and return a FileStream==

<source lang="csharp">using System;
using System.IO;
public class MainClass
{
static void Main(string[] args)
{
FileInfo MyFile = new FileInfo(@"c:\Testing.txt");
FileStream MyStream;
MyStream = MyFile.Open(FileMode.Open, FileAccess.Read, FileShare.None);
}
}</source>

==Show info on image types==

<source lang="csharp">using System;
using System.Collections.Generic;
using System.Text;
using System.IO;
using System.Linq;

class Program
{
static void Main(string[] args)
{
DirectoryInfo dir = new DirectoryInfo(@"C:\Windows\Web\Wallpaper");
FileInfo[] imageFiles = dir.GetFiles("*.jpg");
Console.WriteLine("Found {0} *.jpg files\n", imageFiles.Length);
foreach (FileInfo f in imageFiles)
{
Console.WriteLine("File name: {0}", f.Name);
Console.WriteLine("File size: {0}", f.Length);
Console.WriteLine("Creation: {0}", f.CreationTime);
Console.WriteLine("Attributes: {0}", f.Attributes);
}
}
}</source>

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Csharp/CSharp Tutorial/File Directory Stream/FileInfo - История изменений

в 15:31, 26 мая 2010

Admin: 1 версия