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This method retrieves the name and media type of the current file.
Syntax
HRESULT GetCurFile( LPOLESTR* ppszFileName, AM_MEDIA_TYPE* pmt ); |
Parameters
- ppszFileName
-
[out] Address of a pointer that receives the name of the file, as an OLESTR type.
- pmt
-
[out] Pointer to an AM_MEDIA_TYPEstructure that receives the media type. This parameter can by NULL, in which case the method does not return the media type.
Return Value
Returns an HRESULT value. The following table shows some possible values.
Value | Description |
---|---|
S_OK |
Success. |
E_FAIL |
No file is opened. |
E_OUTOFMEMORY |
Insufficient memory. |
E_POINTER |
NULL pointer argument in ppszFileName. |
Remarks
If the filter has not opened a file, the method might succeed but return NULL in the ppszFileNameparameter. Check the value when the method returns.
The method allocates the memory for the string returned in ppszFileName, and the memory for the format block in the media type (if any). The caller must free them by calling CoTaskMemFree. For the media type, you can use the FreeMediaTypefunction in the base class library.
Requirements
Windows Embedded CE | Windows Embedded CE 6.0 and later |
Windows Mobile | Pocket PC for Windows Mobile Version 5.0 and later, Smartphone for Windows Mobile Version 5.0 and later |
Note | Microsoft DirectShow applications and DirectShow filters have
different include file and Library requirements
For more information, see Setting Up the Build Environment See Also |