IMFDXGIDeviceManager::TestDevice method (mfobjects.h)

Tests whether a Microsoft Direct3D device handle is valid.

Syntax

HRESULT TestDevice(
  [in] HANDLE hDevice
);

[in] hDevice

A handle to the Direct3D device. To get the device handle, call IMFDXGIDeviceManager::OpenDeviceHandle.

This method can return one of these values.

Return code	Description
S_OK	Success.
E_HANDLE	The specified handle is not a Direct3D device handle.
MF_E_DXGI_NEW_VIDEO_DEVICE	The device handle is invalid.

If the method returns MF_E_DXGI_NEW_VIDEO_DEVICE, call IMFDXGIDeviceManager::CloseDeviceHandle to close the handle and then call OpenDeviceHandle again to get a new handle. The IMFDXGIDeviceManager::ResetDevice method invalidates all open device handles.

Requirement	Value
Minimum supported client	Windows 8 [desktop apps \| UWP apps]
Minimum supported server	Windows Server 2012 [desktop apps \| UWP apps]
Target Platform	Windows
Header	mfobjects.h (include Mfidl.h)