IDirect3DRMViewport Interface Method Groups
Applications use the methods of the IDirect3DRMViewport interface to work with viewport objects. The methods can be organized into the following groups:
Camera GetCamera
Clipping planes GetBack
Dimensions GetHeight
Field of view GetField
Initialization Init
IUnknown AddRef
Miscellaneous Clear
Offsets GetX
Projection types GetProjection
Scaling GetUniformScaling
Transformations InverseTransform
All COM interfaces inherit the IUnknown interface methods, which are listed in the "IUnknown" group above. These three methods allow additional interfaces to be added to the Direct3DRMViewport object without affecting the functionality of the original interface. In addition, the IDirect3DRMViewport interface inherits the following methods from the IDirect3DRMObject interface:
The Direct3DRMViewport object is obtained by calling the IDirect3DRM::CreateViewport method.