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4/8/2010
Retrieves the direction of the pin.
Syntax
HRESULT QueryDirection(
PIN_DIRECTION* pPinDir
);
Parameters
- pPinDir
Pointer to a PIN_DIRECTION structure to be filled in with the direction.
Return Value
Returns an HRESULT value.
Remarks
This member function implements the IPin::QueryDirection method. pPinDir will contain PINDIR_INPUT or PINDIR_OUTPUT.
The same information is available through the CBasePin::QueryPinInfo member function, but this member function is more efficient.
Requirements
| Windows Embedded CE | Windows CE 2.12 and later |
| Windows Mobile | 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, Version 2.12 requires DXPAK 1.0 or later |