MFCancelCreateFile function (mfapi.h)
Cancels an asynchronous request to create a byte stream from a file.
Syntax
HRESULT MFCancelCreateFile(
[in] IUnknown *pCancelCookie
);
Parameters
[in] pCancelCookie
A pointer to the IUnknown interface of the cancellation object. This pointer is received in the ppCancelCookie parameter of the MFBeginCreateFile function.
Return value
The function returns an HRESULT. Possible values include, but are not limited to, those in the following table.
| Return code | Description |
|---|---|
|
The function succeeded. |
Remarks
You can use this function to cancel a previous call to MFBeginCreateFile. Because that function is asynchronous, however, it might complete before the operation can be canceled. Therefore, your callback might still be invoked after you call this function.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows Vista [desktop apps only] |
| Minimum supported server | Windows Server 2008 [desktop apps only] |
| Target Platform | Windows |
| Header | mfapi.h |
| Library | Mfplat.lib |
| DLL | Mfplat.dll |