• Article

File.Create Method (String, Int32)

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When it is called by trusted applications, creates or overwrites the specified file.

Namespace:  System.IO
Assembly:  mscorlib (in mscorlib.dll)

Syntax

'Declaration
Public Shared Function Create ( _
    path As String, _
    bufferSize As Integer _
) As FileStream

public static FileStream Create(
    string path,
    int bufferSize
)

Parameters

  • bufferSize
    Type: System.Int32
    The number of bytes buffered for reads and writes to the file.

Return Value

Type: System.IO.FileStream
A FileStream with the specified buffer size that provides read/write access to the file specified in path.

Exceptions

Exception Condition
UnauthorizedAccessException

The caller does not have the required permission.

-or-

path specified a file that is read-only.
ArgumentException

path is a zero-length string, contains only white space, or contains one or more invalid characters as defined by GetInvalidPathChars.
ArgumentNullException

path is nulla null reference (Nothing in Visual Basic).
PathTooLongException

The specified path, file name, or both exceed the system-defined maximum length. For example, on Windows-based platforms, paths must be less than 248 characters, and file names must be less than 260 characters.
DirectoryNotFoundException

The specified path is invalid (for example, it is on an unmapped drive).
IOException

An I/O error occurred while creating the file.
NotSupportedException

path is in an invalid format.

Remarks

Platform Notes

Silverlight for Windows Phone Silverlight for Windows Phone

 This member has a SecurityCriticalAttribute attribute on Silverlight for Windows Phone, because the attribute was present in Silverlight 3. This attribute restricts this member to internal use. Application code that uses this member throws a MethodAccessException.

Version Information

Silverlight

Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0

XNA Framework

Supported in: Xbox 360, Windows Phone OS 7.0

Platforms

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.