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IMSVidInputDevice::IsViewable Method

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This topic applies to Windows XP or later.
The IsViewable method determines whether this device can view the specified tune request.
Currently this method is not implemented by any of the supported input devices.

Syntax

HRESULT IsViewable(
  [in]   VARIANT *pv,
  [out]  VARIANT_BOOL *pfViewable
);

Parameters

  • pv [in]
    Specifies the tune request as a VARIANT type.

  • pfViewable [out]
    Pointer to variable that receives one of the following values.

    Value Description
    VARIANT_TRUE The device can view this tune request.
    VARIANT_FALSE The device cannot view this tune request.

Return Value

Returns an HRESULT value. Possible values include the following.

Return code Description

S_OK

Success.

E_NOTIMPL

Not implemented.

E_POINTER

NULL pointer argument.

Requirements

Header Declared in Dshow.h.
DLL Requires Quartz.dll.

See Also

IMSVidInputDevice Interface

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Build date: 12/4/2008