【Exam Ref 70-483】Programming in C#

1. Author:Wouter de Kort
   
2. ISBN-10:978-0-73567-682-4
   
3. Year:2013
   
4. Pages:384
   
5. Language:English
   
6. File size:35.5 MB
   
7. File format:PDF
   
8. Category:Certification

复制代码

1. LISTING 4-1 Listing drive information
   
2. DriveInfo[] drivesInfo = DriveInfo.GetDrives();
   
3. foreach (DriveInfo driveInfo in drivesInfo)
   
4. {
   
5.     Console.WriteLine(“Drive {0}”, driveInfo.Name);
   
6.     Console.WriteLine(“  File type: {0}”, driveInfo.DriveType);
   
7.     if (driveInfo.IsReady == true)
   
8.     {
   
9.         Console.WriteLine(“  Volume label: {0}”, driveInfo.VolumeLabel);
   
10.         Console.WriteLine(“  File system: {0}”, driveInfo.DriveFormat);
    
11.         Console.WriteLine(
    
12.             “  Available space to current user:{0, 15} bytes”,
    
13.             driveInfo.AvailableFreeSpace);
    
14.         Console.WriteLine(
    
15.             “  Total available space:          {0, 15} bytes”,
    
16.             driveInfo.TotalFreeSpace);
    
17.         Console.WriteLine(
    
18.             “  Total size of drive:            {0, 15} bytes “,
    
19.             driveInfo.TotalSize);
    
20.     }
    
21. }

复制代码

1. LISTING 4-2 Creating a new directory
   
2. var directory = Directory.CreateDirectory(@”C:\Temp\ProgrammingInCSharp\Directory”);
   
3. var directoryInfo = new DirectoryInfo(@”C:\Temp\ProgrammingInCSharp\DirectoryInfo”);
   
4. directoryInfo.Create();

复制代码

1. LISTING 4-3 Deleting an existing directory
   
2. if (Directory.Exists(@”C:\Temp\ProgrammingInCSharp\Directory”))
   
3. {
   
4.     Directory.Delete(@”C:\Temp\ProgrammingInCSharp\Directory”);
   
5. }
   
6. var directoryInfo = new DirectoryInfo(@”C:\Temp\ProgrammingInCSharp\DirectoryInfo”);
   
7. if (directoryInfo.Exists)
   
8. {
   
9.     directoryInfo.Delete();
   
10. }

复制代码

1. LISTING 4-4 Setting access control for a directory
   
2. DirectoryInfo directoryInfo = new DirectoryInfo(“TestDirectory”);
   
3. directoryInfo.Create();
   
4. DirectorySecurity directorySecurity = directoryInfo.GetAccessControl();
   
5. directorySecurity.AddAccessRule(
   
6. new FileSystemAccessRule(“everyone”, 
   
7. FileSystemRights.ReadAndExecute, 
   
8. AccessControlType.Allow));
   
9. directoryInfo.SetAccessControl(directorySecurity);

复制代码

1. LISTING 4-6 Moving a directory
   
2. Directory.Move(@”C:\source”, @”c:\destination”);
   
3. DirectoryInfo directoryInfo = new DirectoryInfo(@”C:\Source”);
   
4. directoryInfo.MoveTo(@”C:\destination”);

复制代码

1. LISTING 4-7 Listing all the files in a directory
   
2. foreach (string file in Directory.GetFiles(@”C:\Windows”))
   
3. {
   
4.     Console.WriteLine(file);
   
5. }
   
6. DirectoryInfo directoryInfo = new DirectoryInfo(@”C:\Windows”);
   
7. foreach (FileInfo fileInfo in directoryInfo.GetFiles())
   
8. {
   
9.     Console.WriteLine(fileInfo.FullName);

复制代码

1. LISTING 4-8 Deleting a file
   
2. string path = @”c:\temp\test.txt”;
   
3. if (File.Exists(path))
   
4. {
   
5.     File.Delete(path);
   
6. }
   
7. FileInfo fileInfo = new FileInfo(path);
   
8. if (fileInfo.Exists)
   
9. {
   
10.     fileInfo.Delete();
    
11. }

复制代码

1. LISTING 4-9 Moving a file
   
2. string path = @”c:\temp\test.txt”;
   
3. string destPath = @”c:\temp\destTest.txt”;
   
4. File.CreateText(path).Close();
   
5. File.Move(path, destPath);
   
6. FileInfo fileInfo = new FileInfo(path);
   
7. fileInfo.MoveTo(destPath);

复制代码