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. |
Available since 10
.NET Framework
Available since 1.1
Silverlight
Available since 2.0
Windows Phone Silverlight
Available since 7.0