MFPutWorkItemEx2 function
Puts an asynchronous operation on a work queue, with a specified priority.
Syntax
HRESULT MFPutWorkItemEx2( _In_ DWORD dwQueue, _In_ LONG Priority, _In_ IMFAsyncResult *pResult );
Parameters
- dwQueue [in]
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The identifier for the work queue. This value can specify one of the standard Media Foundation work queues, or a work queue created by the application. For list of standard Media Foundation work queues, see Work Queue Identifiers. To create a new work queue, call MFAllocateWorkQueue or MFAllocateWorkQueueEx.
- Priority [in]
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The priority of the work item. Work items are performed in order of priority.
- pResult [in]
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A pointer to the IMFAsyncResult interface of an asynchronous result object. To create the result object, call MFCreateAsyncResult.
Return value
Returns an HRESULT value. Possible values include the following.
| Return code | Description |
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Success. |
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Invalid work queue identifier. |
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The MFStartup function was not called, or MFShutdown was called. |
Remarks
To invoke the work item, this function passes pResult to the MFInvokeCallback function. The callback is specified when you create the result object specified by pResult.
Requirements
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Minimum supported client | Windows 8 [desktop apps | Windows Store apps] |
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Minimum supported server | Windows Server 2012 [desktop apps | Windows Store apps] |
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Header |
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Library |
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DLL |
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See also
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Build date: 11/28/2012
