CompareFileExt function

Declaration

function CompareFileExt(const Filename: string; Ext: string; 
 CaseSensitive: Boolean): Integer

Description

CompareFileExt is an overloaded Integer function used to compare the file extension in Filename to the value in Ext.

FilenameM contains the file name with the extension compared in the routine.

Ext contains the file extension for the comparison. It may contain the '.' character, but it is not required and will be removed for the comparison.

CaseSensitive indicates whether case is used in the comparison. When CaseSensitive contains True, CompareStr is called to perform the comparison. Otherwise, CompareText is called to compare the values.

The return value indicates the order for the file name extension relative to the specified extension. It may contain one of the following values:

-1

Filename value has a lower sort order value than Ext

0

Filename and Ext have the same sort order values

1

Filename value has a higher sort order value than Ext

The return value is 1 if Filename does not contain a file extension.

The overloaded variant which omits the CaseSensitive argument defaults to the setting for the CaseInsensitiveFilenames compiler define on the platform. When defined, the CaseSensitive argument defaults to False. Otherwise, True is used in the parameter value.