IVMRMonitorConfig9::GetAvailableMonitors

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Microsoft DirectShow 9.0

IVMRMonitorConfig9::GetAvailableMonitors

The GetAvailableMonitors method retrieves information about the monitors currently available on the system.

Syntax

  HRESULT GetAvailableMonitors(
  VMR9MonitorInfo*  pInfo,
  DWORD  dwMaxInfoArraySize,
  DWORD*  pdwNumDevices
);

Parameters

pInfo

[out]  Pointer to an array of VMR9MonitorInfo structures that contain information about each monitor on the system.

dwMaxInfoArraySize

[in]   Specifies the maximum number of members in the array.

pdwNumDevices

[out]   If pInfo is NULL, this parameter receives the required array size. Otherwise, it receives the actual number of devices retrieved.

Return Values

The method returns an HRESULT. Possible values include the following.

Value Description
E_INVALIDARG Invalid argument; dwMaxInfoArraySize must be greater than zero.
E_POINTER NULL pointer argument.
S_OK The method succeeded.

Remarks

Use this method to get a list of Direct Draw device identifiers and their associated monitor information that the mixer can use when connecting to an upstream decoder filter.

Requirements

Header: Include D3d9.h, Vmr9.h.

Library: Use Strmiids.lib.

See Also