The projection can be set in several ways:

• By setting the properties Left, Right, Bottom, Top, Near, and Far.
• By setting assigning a projection matrix using Set(Matrix44F) or the property Inverse.
• By calling on of the following methods: Set(Single, Single), Set(Single, Single, Single, Single), Set(Matrix44F), SetOffCenter(Single, Single, Single, Single), SetOffCenter(Single, Single, Single, Single, Single, Single),

The property ViewVolume defines the bounding shape of the projection space which can be used for frustum culling. The shape is updated automatically when the properties of the projection change.