FileInfoExtensionIsUtf8Valid Method

Tests whether the portion of the file specified by fileInfo that extends at least count characters from the beginning of the file represents valid UTF-8.

Definition

Namespace: FolkerKinzel.Strings
Assembly: FolkerKinzel.Strings (in FolkerKinzel.Strings.dll) Version: 9.4.0+10a7d4d71aa960998e32ac0ac6c4fcbe4164c917

C#

public static bool IsUtf8Valid(
	this FileInfo fileInfo,
	int count = -1
)

VB

<ExtensionAttribute>
Public Shared Function IsUtf8Valid ( 
	fileInfo As FileInfo,
	Optional count As Integer = -1
) As Boolean

C++

public:
[ExtensionAttribute]
static bool IsUtf8Valid(
	FileInfo^ fileInfo, 
	int count = -1
)

F#

[<ExtensionAttribute>]
static member IsUtf8Valid : 
        fileInfo : FileInfo * 
        ?count : int 
(* Defaults:
        let _count = defaultArg count -1
*)
-> bool

Parameters

fileInfo FileInfo: A FileInfo object that references the file to check.
count Int32 (Optional): The minimum number of characters to check. If a negative number is passed to the parameter (default) or if count is greater than the length of the data in the specified file, the entire file is checked. The value 0 is not allowed.

Return Value

Boolean
true if the checked file section represents valid UTF-8, false otherwise.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type FileInfo. When you use instance method syntax to call this method, omit the first parameter. For more information, see Extension Methods (Visual Basic) or Extension Methods (C# Programming Guide).

Exceptions

ArgumentNullException	fileInfo is null.
ArgumentOutOfRangeException	count is 0.
IOException	I/O error.