利用FSO取得BMP，JPG，PNG，GIF文件信息

end if
loop
'
if ExitLoop = False then
Width = -1
Height = -1
Depth = -1
else
Height = lngConvert2(mid(strBuff, lngPos 4, 2))
Width = lngConvert2(mid(strBuff, lngPos 6, 2))
Depth = 2 ^ (asc(mid(strBuff, lngPos 8, 1)) * 8)
gfxSpex = True
end if

end if
end function

':::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
'::: Test Harness :::
':::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

' To test, we'll just try to show all files with a .GIF extension in the root of C:
Set objFSO = CreateObject("Scripting.FileSystemObject")
Set objF = objFSO.GetFolder("c:\")
Set objFC = objF.Files
response.write "<table border=""0"" cellpadding=""5"">"
For Each f1 in objFC
if instr(ucase(f1.Name), ".GIF") then
response.write "<tr><td>" & f1.name & "</td><td>" & f1.DateCreated & "</td><td>" & f1.Size & "</td><td>"
if gfxSpex(f1.Path, w, h, c, strType) = true then
response.write w & " x " & h & " " & c & " colors"
else
response.write " "
end if
response.write "</td></tr>"
end if
Next
response.write "</table>"
set objFC = nothing
set objF = nothing
set objFSO = nothing

%>

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