FileNotFoundException 类

定义

尝试访问磁盘上不存在的文件失败时引发的异常。The exception that is thrown when an attempt to access a file that does not exist on disk fails.

public ref class FileNotFoundException : System::IO::IOException
[System.Runtime.InteropServices.ComVisible(true)]
[System.Serializable]
public class FileNotFoundException : System.IO.IOException
type FileNotFoundException = class
    inherit IOException
Public Class FileNotFoundException
Inherits IOException
继承
属性

注解

FileNotFoundException 使用其值 0x80070002 HRESULT COR_E_FILENOTFOUND。FileNotFoundException uses the HRESULT COR_E_FILENOTFOUND which has the value 0x80070002.

如果你的代码不具有PathDiscovery权限,该错误消息的此异常可能仅包含文件或目录的名称,而不是完全限定路径。If your code does not have PathDiscovery permission, the error message for this exception may only contain file or directory names instead of fully qualified paths.

构造函数

FileNotFoundException()

初始化 FileNotFoundException 类的新实例,将其消息字符串设置为系统提供的消息。Initializes a new instance of the FileNotFoundException class with its message string set to a system-supplied message.

FileNotFoundException(SerializationInfo, StreamingContext)

用指定的序列化和上下文信息初始化 FileNotFoundException 类的新实例。Initializes a new instance of the FileNotFoundException class with the specified serialization and context information.

FileNotFoundException(String)

用指定的错误消息初始化 FileNotFoundException 类的新实例。Initializes a new instance of the FileNotFoundException class with a specified error message.

FileNotFoundException(String, Exception)

使用指定的错误消息和对作为此异常原因的内部异常的引用来初始化 FileNotFoundException 类的新实例。Initializes a new instance of the FileNotFoundException class with a specified error message and a reference to the inner exception that is the cause of this exception.

FileNotFoundException(String, String)

使用指定错误信息和找不到的文件名来初始化 FileNotFoundException 类的新实例。Initializes a new instance of the FileNotFoundException class with a specified error message, and the file name that cannot be found.

FileNotFoundException(String, String, Exception)

使用指定的错误信息、找不到的文件名和对作为此异常原因的内部异常的引用来初始化 FileNotFoundException 类的新实例。Initializes a new instance of the FileNotFoundException class with a specified error message, the file name that cannot be found, and a reference to the inner exception that is the cause of this exception.

属性

Data

获取提供有关异常的其他用户定义信息的键/值对集合。Gets a collection of key/value pairs that provide additional user-defined information about the exception.

(继承自 Exception)
FileName

获取无法找到的文件的名称。Gets the name of the file that cannot be found.

FusionLog

获取日志文件,该文件描述加载程序集失败的原因。Gets the log file that describes why loading of an assembly failed.

HelpLink

获取或设置指向与此异常关联的帮助文件链接。Gets or sets a link to the help file associated with this exception.

(继承自 Exception)
HResult

获取或设置 HRESULT(一个分配给特定异常的编码数字值)。Gets or sets HRESULT, a coded numerical value that is assigned to a specific exception.

(继承自 Exception)
InnerException

获取导致当前异常的 Exception 实例。Gets the Exception instance that caused the current exception.

(继承自 Exception)
Message

获取解释异常原因的错误消息。Gets the error message that explains the reason for the exception.

Source

获取或设置导致错误的应用程序或对象的名称。Gets or sets the name of the application or the object that causes the error.

(继承自 Exception)
StackTrace

获取调用堆栈上的即时框架字符串表示形式。Gets a string representation of the immediate frames on the call stack.

(继承自 Exception)
TargetSite

获取引发当前异常的方法。Gets the method that throws the current exception.

(继承自 Exception)

方法

Equals(Object)

确定指定的对象是否等于当前对象。Determines whether the specified object is equal to the current object.

(继承自 Object)
GetBaseException()

当在派生类中重写时,返回 Exception,它是一个或多个并发的异常的根源。When overridden in a derived class, returns the Exception that is the root cause of one or more subsequent exceptions.

(继承自 Exception)
GetHashCode()

用作默认哈希函数。Serves as the default hash function.

(继承自 Object)
GetObjectData(SerializationInfo, StreamingContext)

设置带有文件名和附加异常信息的 SerializationInfo 对象。Sets the SerializationInfo object with the file name and additional exception information.

GetType()

获取当前实例的运行时类型。Gets the runtime type of the current instance.

(继承自 Exception)
MemberwiseClone()

创建当前 Object 的浅表副本。Creates a shallow copy of the current Object.

(继承自 Object)
ToString()

返回该异常的完全限定名,还可能返回错误消息、内部异常的名称和堆栈跟踪。Returns the fully qualified name of this exception and possibly the error message, the name of the inner exception, and the stack trace.

事件

SerializeObjectState

当异常被序列化用来创建包含有关该异常的徐列出数据的异常状态对象时会出现该问题。Occurs when an exception is serialized to create an exception state object that contains serialized data about the exception.

(继承自 Exception)

适用于

另请参阅