The exception that is thrown when a path or fully qualified file name is longer than the system-defined maximum length.
Assembly: mscorlib (in mscorlib.dll)
Initializes a new instance of theclass with its HRESULT set to COR_E_PATHTOOLONG.
Initializes a new instance of theclass with the specified serialization and context information.
Initializes a new instance of theclass with its message string set to message and its HRESULT set to COR_E_PATHTOOLONG.
Initializes a new instance of theclass with a specified error message and a reference to the inner exception that is the cause of this exception.
Gets a collection of key/value pairs that provide additional user-defined information about the exception.(Inherited from Exception.)
Gets or sets a link to the help file associated with this exception.(Inherited from Exception.)
Gets or sets HRESULT, a coded numerical value that is assigned to a specific exception.(Inherited from Exception.)
Gets a message that describes the current exception.(Inherited from Exception.)
Gets or sets the name of the application or the object that causes the error.(Inherited from Exception.)
Gets a string representation of the immediate frames on the call stack.(Inherited from Exception.)
Gets the method that throws the current exception.(Inherited from Exception.)
Determines whether the specified object is equal to the current object.(Inherited from Object.)
Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection.(Inherited from Object.)
Serves as the default hash function. (Inherited from Object.)
Gets the runtime type of the current instance.(Inherited from Exception.)
Creates and returns a string representation of the current exception.(Inherited from Exception.)
If your code does not have FileIOPermissionAttribute::PathDiscovery permission, the error message for this exception may contain only file or directory names instead of full paths.
In apps that run under versions of the .NET Framework prior to the .NET Framework 4.6.2, full paths must not exceed 260 characters to maintain compatibility with Windows operating systems. Any path in excess of 260 characters automatically throws a Long Paths in .NET in the BCL Team blog.. For more information about this restriction, see the entry
This exception is not included in .NET for Windows Store apps or the Portable Class Library, but it is thrown by some members that are. To catch the exception in that case, write a catch statement that handles an IOException instead.
Starting with apps running under the .NET Framework 4.6.2, the .NET Framework supports long paths in excess of 260 (or MAX_PATH) characters. The conditions under which aexception are thrown depend on the version of the .NET Framework that an app targets:
- Apps that target the .NET Framework 4.6.2 and later versions
Long paths are supported by default. The runtime throws aunder the following conditions:
The operating system returns COR_E_PATHTOOLONG or its equivalent.
The length of the path exceeds Int16::MaxValue (32,767) characters.
- Apps that target the .NET Framework 4.6.1 and earlier versions
Long paths are disabled by default, and the legacy behavior is maintained. The runtime throws awhenever a path exceeds 260 characters.
If this is undesirable, apps that target the .NET Framework 4.6.1 and earlier but run under the .NET Framework 4.6.2 can enable long path support by including the following setting in the <runtime> element of the application configuration file:
uses the HRESULT COR_E_PATHTOOLONG, which has the value 0x800700CE.
Available since 10
Available since 1.1
Available since 2.0
Windows Phone Silverlight
Available since 7.0
Any public static ( Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.