以下示例演示尝试写入只读文件时引发的 UnauthorizedAccessException 异常。C# 复制 using System; using System.IO; public class Example { public static void Main() { string filePath = @".\ROFile.txt"; if (! File.Exists(filePath)) File.Create(filePath); // Keep existing attributes, and set ...
AccessException: Unable to access file. ");if((attr & FileAttributes.ReadOnly) >0) Console.Write("The file is read-only."); }finally{if(sw !=null) sw.Close(); } } }// The example displays the following output:// UnAuthorizedAccessException: Unable to access file. The file is ...
以下示例演示尝试写入只读文件时引发的UnauthorizedAccessException异常。 C# usingSystem;usingSystem.IO;publicclassExample{publicstaticvoidMain(){stringfilePath =@".\ROFile.txt";if(! File.Exists(filePath)) File.Create(filePath);// Keep existing attributes, and set ReadOnly attribute.File.SetAttributes(...
AccessException: Unable to access file. ");if((attr & FileAttributes.ReadOnly) >0) Console.Write("The file is read-only."); }finally{if(sw !=null) sw.Close(); } } }// The example displays the following output:// UnAuthorizedAccessException: Unable to access file. The file is ...
AccessException: Unable to access file. ");if((attr & FileAttributes.ReadOnly) >0) Console.Write("The file is read-only."); }finally{if(sw !=null) sw.Close(); } } }// The example displays the following output:// UnAuthorizedAccessException: Unable to access file. The file is ...
The following example illustrates theUnauthorizedAccessExceptionexception that is thrown when attempting to write to a read-only file. C# usingSystem;usingSystem.IO;publicclassExample{publicstaticvoidMain(){stringfilePath =@".\ROFile.txt";if(!File.Exists(filePath)) File.Create(filePath);// Keep ...
A role-based access control model is defined as a system that restricts application behavior by assigning predefined priorities to running applications based on specific roles, determining access to certain APIs to prevent unauthorized access.
Also, certain content that you may want to keep private may also be downloaded. There are also instances where downloaded files may be corrupted and causing websites to show up improperly or not show up at all. Eventually the pages and the files on the website will change. When this ...
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After you assign basic settings to your access point/bridge, you must configure security settings to prevent unauthorized access to your network. Because it is a radio device, the access point/bridge can communicate beyond the physical boundaries of your building. You can use Express Secur...