Return the extension from a filename.
Source position: finah.inc line 28
function ExtractFileExt(  | 
const FileName: UnicodeString  | 
):UnicodeString;  | 
const FileName: RawByteString  | 
ExtractFileExt returns the extension (including the .(dot) character) of FileName.
For an example, see ExtractFileDir.
None.
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Change the extension of a filename.  | 
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Extract the filename part from a full path filename.  | 
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Extract the path from a filename.  | 
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Extract the drive and directory part of a filename.  | 
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Extract the drive part from a filename.  | 
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Return the extension from a filename.  | 
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Extract a relative path from a filename, given a base directory.  |