IDirect3DDevice9Ex::TestCooperativeLevel method (d3d9.h)
[TestCooperativeLevel is no longer available for use. Instead, use CheckDeviceState.]
Reports the current cooperative-level status of the Direct3D device for a windowed or full-screen application.
Syntax
HRESULT TestCooperativeLevel();
Return value
Type: HRESULT
Always returns D3D_OK.
Requirements
| Target Platform | Windows |
| Header | d3d9.h |
| Library | D3D9.lib |