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IsThemeActive function

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

Syntax


BOOL IsThemeActive(void);

Parameters

This function has no parameters.

Return value

Type: BOOL

Returns one of the following values.

Return codeDescription
TRUE

A visual style is enabled, and windows with visual styles applied should call OpenThemeData to start using theme drawing services.

FALSE

A 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.

Requirements

Minimum supported client

Windows XP [desktop apps only]

Minimum supported server

Windows Server 2003 [desktop apps only]

Header

Uxtheme.h

Library

UxTheme.lib

DLL

UxTheme.dll

 

 

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