FileCreate Method (String, Int32, FileOptions, FileSecurity) |
Creates or overwrites the specified file with the specified buffer size, file options, and file security.
Namespace: System.IOAssembly: mscorlib (in mscorlib.dll) Version: 4.0.0.0
Syntax public static FileStream Create(
string path,
int bufferSize,
FileOptions options,
FileSecurity fileSecurity
)
Parameters
- path
- Type: SystemString
The name of the file. - bufferSize
- Type: SystemInt32
The number of bytes buffered for reads and writes to the file. - options
- Type: System.IOFileOptions
One of the FileOptions values that describes how to create or overwrite the file. - fileSecurity
- Type: System.Security.AccessControlFileSecurity
One of the FileSecurity values that determines the access control and audit security for the file.
Return Value
Type:
FileStreamA new file with the specified buffer size, file options, and file security.
Exceptions Exception | Condition |
---|
UnauthorizedAccessException | The caller does not have the required permission.-or- path specified a file that is read-only.-or-Encrypted is specified for options and file encryption is not supported on the current platform. |
ArgumentException | path is a zero-length string, contains only white space, or contains one or more invalid characters as defined by InvalidPathChars. |
ArgumentNullException | path is null. |
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. |
UnauthorizedAccessException | The caller does not have the required permission.-or- path specified a file that is read-only. |
UnauthorizedAccessException | The caller does not have the required permission.-or- path specified a file that is read-only. |
See Also