TestDevice
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IMFDXGIDeviceManager::TestDevice method

Tests whether a Microsoft Direct3D device handle is valid.

Syntax


HRESULT TestDevice(
  [in] HANDLE hDevice
);

Parameters

hDevice [in]

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

Return value

This method can return one of these values.

Return codeDescription
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.

 

Remarks

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.

Requirements

Minimum supported client

Windows 8 [desktop apps | Windows Store apps]

Minimum supported server

Windows Server 2012 [desktop apps | Windows Store apps]

Header

Mfobjects.h (include Mfidl.h)

See also

IMFDXGIDeviceManager

 

 

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