• 0 if the two files are identical or if the two file paths are identical,
• 1 if the two files are different,
• an error code (value less than 0) otherwise.

Name and full (or relative) path of first file to compare (up to 260 characters). A UNC path can be used.

Versions 15 and later

This parameter can be in Ansi or Unicode format.

New in version 15

This parameter can be in Ansi or Unicode format.

This parameter can be in Ansi or Unicode format.

Versions 16 and later

Windows Phone: The file path corresponds to a relative path in relation to the current directory. The current directory corresponds to the data directory of application.
Reminder: Only the files found in the data directory associated with the application can be handled.

New in version 16

Windows Phone: The file path corresponds to a relative path in relation to the current directory. The current directory corresponds to the data directory of application.
Reminder: Only the files found in the data directory associated with the application can be handled.

Windows Phone: The file path corresponds to a relative path in relation to the current directory. The current directory corresponds to the data directory of application.
Reminder: Only the files found in the data directory associated with the application can be handled.

Name and full (or relative) path of second file to compare (up to 260 characters). A UNC path can be used.

Versions 15 and later

This parameter can be in Ansi or Unicode format.

New in version 15

This parameter can be in Ansi or Unicode format.

This parameter can be in Ansi or Unicode format.

Versions 16 and later

Windows Phone: The file path corresponds to a relative path in relation to the current directory. The current directory corresponds to the data directory of application.
Reminder: Only the files found in the data directory associated with the application can be handled.

New in version 16

Windows Phone: The file path corresponds to a relative path in relation to the current directory. The current directory corresponds to the data directory of application.
Reminder: Only the files found in the data directory associated with the application can be handled.

Windows Phone: The file path corresponds to a relative path in relation to the current directory. The current directory corresponds to the data directory of application.
Reminder: Only the files found in the data directory associated with the application can be handled.