IDirect3DDeviceManager9::TestDevice Method
Tests whether a Direct3D device handle is valid.
Syntax
HRESULT TestDevice(
[in] HANDLE hDevice
);
Parameter
- hDevice [in]
Handle to a Direct3D device. To get a device handle, call IDirect3DDeviceManager9::OpenDeviceHandle.
Rückgabewert
The method returns an HRESULT. Possible values include, but are not limited to, those in the following table.
| Rückgabecode | Beschreibung |
|---|---|
| S_OK | The device handle is valid. |
| E_HANDLE | The specified handle is not a Direct3D device handle. |
| DXVA2_E_NEW_VIDEO_DEVICE | The device handle is invalid. |
Hinweise
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.
Anforderungen
Mindestens unterstützter Client |
Windows Vista |
Mindestens unterstützter Server |
Windows Server 2008 |
Header |
Dxva2api.h |