GuessImageFormat

Description:

The GuessImageFormat will analyze the specified file and determine what kind of image file it is. This analysis is performed on the actual image data, and the function is much smarter than looking as just the file extention. It is for example possible to store a JPG file with the filename TEST.GIF, and still GuessImageFormat will detect the image as JPG.

Declaration:

Declare Function GuessImageFormat Lib "VCII2LN.DLL" _
(Byval pstrFilename As String) As Integer

Parameters:

Returns:

-1 if the image format was not recognized. Otherwise one of the image format codes.

Usage:

Dim iImageFormat as Integer
iImageFormat = GuessImageFormat(strFileName)

The iImageFormat will contain the number indicating the image format

Introduced in version:

1.1.0.0