Windows / Win32 / DCOMPOSITION_ERROR_ACCESS_DENIED

DCOMPOSITION_ERROR_ACCESS_DENIED

The documentation lists this name without a value.

Documented in Win32

DirectComposition error codes (dcomp.h)

The window handle that was specified in a call to the [**IDCompositionDevice::CreateTargetForHwnd**](/windows/win32/api/dcomp/nf-dcomp-idcompositiondevice-createtargetforhwnd) method belongs to a different process from the one that created the device object.