If the file already exists, its contents are overwritten. Decrypts a file that was encrypted by the current account using the Encrypt String method. Gets a FileSecurity object that encapsulates the access control list ACL entries for a specified file. Gets a FileSecurity object that encapsulates the specified type of access control list ACL entries for a particular file. Gets the FileAttributes of the file on the path. Returns the creation date and time, in coordinated universal time UTC , of the specified file or directory.
Returns the date and time, in coordinated universal time UTC , that the specified file or directory was last accessed. Returns the date and time, in coordinated universal time UTC , that the specified file or directory was last written to.
Moves a specified file to a new location, providing the options to specify a new file name and to overwrite the destination file if it already exists. Opens a FileStream on the specified path, with the specified mode and access with no sharing. Asynchronously opens a binary file, reads the contents of the file into a byte array, and then closes the file.
Asynchronously opens a text file, reads all lines of the file with the specified encoding, and then closes the file. Asynchronously opens a text file, reads all text in the file with the specified encoding, and then closes the file. Replaces the contents of a specified file with the contents of another file, deleting the original file, and creating a backup of the replaced file. Replaces the contents of a specified file with the contents of another file, deleting the original file, and creating a backup of the replaced file and optionally ignores merge errors.
Sets the specified FileAttributes of the file on the specified path. Sets the date and time, in coordinated universal time UTC , that the specified file was last accessed. Sets the date and time, in coordinated universal time UTC , that the specified file was last written to. Creates a new file, writes the specified byte array to the file, and then closes the file.
If the target file already exists, it is overwritten. Asynchronously creates a new file, writes the specified byte array to the file, and then closes the file.
Creates a new file by using the specified encoding, writes a collection of strings to the file, and then closes the file. Creates a new file, writes the specified string array to the file by using the specified encoding, and then closes the file. Asynchronously creates a new file, writes the specified lines to the file, and then closes the file. Asynchronously creates a new file, write the specified lines to the file by using the specified encoding, and then closes the file. Creates a new file, writes the specified string to the file, and then closes the file.
Creates a new file, writes the specified string to the file using the specified encoding, and then closes the file. Asynchronously creates a new file, writes the specified string to the file, and then closes the file. Asynchronously creates a new file, writes the specified string to the file using the specified encoding, and then closes the file.
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Namespace: System. IO Assemblies: mscorlib. Note In members that accept a path as an input string, that path must be well-formed or an exception is raised. In this article. Specifies whether the contents of an existing file are preserved or overwritten, and whether requests to create an existing file cause an exception. AppendAllText String, String. AppendText String. Copy String, String. Copies an existing file to a new file. Overwriting a file of the same name is not allowed.
If you think, the things we do are good, donate us. Direct link. NET - file copy. NET - file delete. NET - file exists. NET - get file extension. NET - get file size. NET - list all dirs and files below given directory. Dirask - we help you to solve coding problems. Improve this question. Lloyd Powell. Lloyd Powell Lloyd Powell Add a comment.
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I think that it makes no difference, but would be interested to know if I'm wrong. Of course, if it was Mono running on a different OS then it may well be different. Very nice. If coding in Visual Basic: di. EnumerateFiles ". Sum Function fi fi. Length — qfactor Marc Gravell Marc Gravell k gold badges silver badges bronze badges. Here my. Sum ; As Gabriel pointed out this will fail if you have a restricted directory under the searchDirectory!
Sum ; — Gabriel Mongeon. And if you have a restricted directory under the searchDirectory, it will fail! To see that resolve in a future version of the framework: connect.
Thanks for your comments Gabriel. I have fixed the typo and included the possible fail warning. Length ; Basically the same code, but maybe a little neater Bernhard 2, 22 22 silver badges 21 21 bronze badges. Martin Harris Martin Harris Dequeue ; foreach FileInfo file in subDir. Length ; And here we are : all exception when trying to enumerate a directory will be ignore!
Hope this help Lionel PS : for a reason I can't explain, my method is more quick than the framework 4 one I done a misstake in this version because I search sudirectories with the searchPattern. So If a subdirectorie doesn't match with searchPattern, I don't explore it So I add a version without searchpattern which are faster.
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