
Originally Posted by
LJMetzger
The following thread discusses obtaining 'Windows Classic Theme' information using
one of:
a. Registry Entry: HKEY_USERS\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced
b. IsThemeActive() from uxtheme.dll
See
http://vbcity.com/forums/t/73483.aspx
Lewis
Thanks Lewis! +1 
That was exactly what I was looking for.
The code below returns the correct result on each machine.
Option Explicit
Private Declare Function IsThemeActive Lib "uxtheme" () As Boolean
Private Sub Form_Load()
If IsThemeActive() = False Then
MsgBox "Windows Classic Theme detected"
End If
End Sub
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