IDirect3DDeviceManager9::TestDevice method (dxva2api.h)
Tests whether a Direct3D device handle is valid.
Syntax
HRESULT TestDevice(
[in] HANDLE hDevice
);
Parameters
[in] hDevice
Handle to a Direct3D device. To get a device handle, call IDirect3DDeviceManager9::OpenDeviceHandle.
Return value
The method returns an HRESULT. Possible values include, but are not limited to, those in the following table.
| Return code | Description |
|---|---|
|
The device handle is valid. |
|
The specified handle is not a Direct3D device handle. |
|
The device handle is invalid. |
Remarks
If the method returns DXVA2_E_NEW_VIDEO_DEVICE, call IDirect3DDeviceManager9::CloseDeviceHandle to close the handle and then call OpenDeviceHandle again to get a new handle. The IDirect3DDeviceManager9::ResetDevice method invalidates all open device handles.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows Vista [desktop apps only] |
| Minimum supported server | Windows Server 2008 [desktop apps only] |
| Target Platform | Windows |
| Header | dxva2api.h |