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Determines whether Desktop Window Manager (DWM) composition effects are available to the theme.
Syntax
BOOL IsCompositionActive();
Return value
Type: BOOL
TRUE if composition effects are available; otherwise, FALSE.
Remarks
Composition effects are provided through the DWM. This function first determines whether DWM is active, then checks whether it has composition effects enabled.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows Vista [desktop apps only] |
| Minimum supported server | Windows Server 2008 [desktop apps only] |
| Target Platform | Windows |
| Header | uxtheme.h |
| DLL | UxTheme.dll |