The IDirect3DDevice2::AddViewport method adds the specified viewport to the list of viewport objects associated with the device.
HRESULT AddViewport(
LPDIRECT3DVIEWPORT2 lpDirect3DViewport2
);
Parameters
lpDirect3DViewport2
Address of the IDirect3DViewport2 interface that should be associated with this Direct3DDevice object.
Return Values
If the method succeeds, the return value is D3D_OK.
If the method fails, the return value may be one of the following values:
DDERR_INVALIDOBJECT
DDERR_INVALIDPARAMS
Remarks
In the IDirect3DDevice interface, this method requires a pointer to an IDirect3DViewport interface, not an IDirect3DViewport2 interface.
QuickInfo
Windows NT: Use version 5.0 or later.
Windows: Use Windows 95 or later. Available as a redistributable for Windows 95.
Windows CE: Unsupported.
Header: Declared in d3d.h.
Import Library: Use ddraw.lib.