共用方式為

IBDA_DeviceControl::GetChangeState

  • 發行項
 
Microsoft DirectShow 9.0

IBDA_DeviceControl::GetChangeState

The GetChangeState method returns a value indicating whether any uncommitted changes are currently pending in the filter.

Syntax

  HRESULT GetChangeState(
  ULONG*  pState
);

Parameters

  pState

[out]  Receives the current state of the filter. See BDA_CHANGE_STATE in the Windows DDK for possible values.

Return Values

If the method succeeds, it returns S_OK. If it fails, it returns an error code.

Requirements

Header: Include bdaiface.h.

See Also