MFUnlockPlatform function (mfapi.h)

Unlocks the Media Foundation platform after it was locked by a call to the MFLockPlatform function.

Syntax

HRESULT MFUnlockPlatform();

Return value

The function returns an HRESULT. Possible values include, but are not limited to, those in the following table.

Return code Description
S_OK
The function succeeded.

Remarks

The application must call MFUnlockPlatform once for every call to MFLockPlatform.

This function is available on the following platforms if the Windows Media Format 11 SDK redistributable components are installed:

  • Windows XP with Service Pack 2 (SP2) and later.
  • Windows XP Media Center Edition 2005 with KB900325 (Windows XP Media Center Edition 2005) and KB925766 (October 2006 Update Rollup for Windows XP Media Center Edition) installed.

Requirements

Requirement Value
Minimum supported client Windows Vista [desktop apps | UWP apps]
Minimum supported server Windows Server 2008 [desktop apps | UWP apps]
Target Platform Windows
Header mfapi.h
Library Mfplat.lib
DLL Mfplat.dll

See also

Media Foundation Functions

Media Foundation Platform APIs

Work Queues