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Tests if a visual style for the current application is active.
Syntax
BOOL IsThemeActive();
Return value
Type: BOOL
Returns one of the following values.
| Return code | Description |
|---|---|
|
A visual style is enabled, and windows with visual styles applied should call OpenThemeData to start using theme drawing services. |
|
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 constructors. This may cause invalid return values.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows Vista [desktop apps only] |
| Minimum supported server | Windows Server 2003 [desktop apps only] |
| Target Platform | Windows |
| Header | uxtheme.h |
| Library | UxTheme.lib |
| DLL | UxTheme.dll |