FileSystemInfo.Extension Property
Gets the string representing the extension part of the file.
Assembly: mscorlib (in mscorlib.dll)
The Extension property returns the FileSystemInfo extension, including the period (.). For example, for a file c:\NewFile.txt, this property returns ".txt".
The following table lists examples of other typical or related I/O tasks.
To do this... | See the example in this topic... |
|---|---|
Create a text file. | |
Write to a text file. | |
Read from a text file. | |
Retrieve the fully qualified path of a file. | |
Retrieve only the file name a path. | |
Retrieve only the directory name from a path. | |
Change the extension of a file. |
Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
