Get Image dimentions before loading? if wrong dimention do not load...

[homasa]

How can one get picture dimention before loading ?

imagine i have 30 pictures that i need to be < 1024x768 or < 768x1024

kind of cheking out :

For Each objFile In objFolder.Files

if objFile.Width > 1024 and objFile.Height > 768 then exit sub
if objFile.Height > 1024 and objFile.Width > 768 then exit sub 

next
msgbox "all images are in the correct size"

i have try to find the forum but with no sucess..

thx in advanced