HRESULT CreateMatrix(LPD3DMATRIXHANDLE lpD3DMatHandle);
Creates a matrix.
·Returns D3D_OK if successful, or an error otherwise, such as DDERR_INVALIDPARAMS.
lpD3DMatHandle
Address of a variable that will contain a handle to the matrix that is created. The call will fail if a buffer of at least the size of the matrix cannot be created.