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WM_DWMCOMPOSITIONCHANGED message

Applies to: desktop apps only

Informs all top-level windows that Desktop Window Manager (DWM) composition has been enabled or disabled.

If an application processes this message, it should return zero.

A window receives this message through its WindowProc function.

The DwmIsCompositionEnabled function can be used to determine the current composition state.

Build date: 2/14/2012

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