IsThemeActive Function

Tests if a visual style for the current application is active.

Syntax

BOOL IsThemeActive(VOID);

Return Value

Returns one of the following values.

TRUEA visual style is enabled, and windows with visual styles applied should call OpenThemeData to start using theme drawing services.
FALSEA visual style is not enabled, and the window message handler does not need to make another call to IsThemeActive until it receives a WM_THEMECHANGED message.

Remarks

Do not call this function during DllMain or global objects contructors. This may cause invalid return values in Windows Vista and may cause Windows XP to become unstable.

Function Information

Stock ImplementationUxTheme.dll
Custom ImplementationNo
Headeruxtheme.h
Import libraryUxTheme.lib
Minimum operating systems Windows XP
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Community Content

dmex
vb.net syntax
<DllImport("uxtheme.dll", CharSet:=CharSet.Unicode)> _
Public Shared Function IsThemeActive() As Integer
End Function
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dmex
C# syntax
[DllImport("uxtheme.dll", CharSet=CharSet.Unicode)]
public static extern int IsThemeActive();
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