c#如何将文件变成只读
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using System;
using System.IO;
namespace FileSystemExample
{
class FileExample
{
public static void Main()
{
string FileName = @"c:/test.xml";
// Get the read-only value for a file.
bool isReadOnly = IsFileReadOnly(FileName);
// Display wether the file is read-only.
Console.WriteLine("The file read-only value for " + FileName + " is: " + isReadOnly);
Console.WriteLine("Changing the read-only value for " + FileName + " to true.");
// Set the file to read-only.
SetFileReadAccess(FileName, true);
// Get the read-only value for a file.
isReadOnly = IsFileReadOnly(FileName);
// Display that the file is read-only.
Console.WriteLine("The file read-only value for " + FileName + " is: " + isReadOnly);
}
// Sets the read-only value of a file.
public static void SetFileReadAccess(string FileName, bool SetReadOnly) //注意这个函数
{
// Create a new FileInfo object.
FileInfo fInfo = new FileInfo(FileName);
// Set the IsReadOnly property.
fInfo.IsReadOnly = SetReadOnly;
}
// Returns wether a file is read-only.
public static bool IsFileReadOnly(string FileName)
{
// Create a new FileInfo object.
FileInfo fInfo = new FileInfo(FileName);
// Return the IsReadOnly property value.
return fInfo.IsReadOnly;
}
}
}
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