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DwmEnableMMCSS function

Notifies the Desktop Window Manager (DWM) to opt in to or out of Multimedia Class Schedule Service (MMCSS) scheduling while the calling process is alive.

Syntax


HRESULT WINAPI DwmEnableMMCSS(
  BOOL fEnableMMCSS
);

Parameters

fEnableMMCSS

TRUE to instruct DWM to participate in MMCSS scheduling; FALSE to opt out or end participation in MMCSS scheduling.

Return value

If this function succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.

Remarks

DWM will be scheduled by the MMCSS as long as any process that called DwmEnableMMCSS to enable MMCSS is active and has not previously called DwmEnableMMCSS to disable MMCSS.

Requirements

Minimum supported client

Windows Vista [desktop apps only]

Minimum supported server

Windows Server 2008 [desktop apps only]

Header

Dwmapi.h

Library

Dwmapi.lib

DLL

Dwmapi.dll

 

 

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