Syntax
Parameters
r1   _Inout_Type: XMVECTOR& Don’t use; internal use only. i1   _Inout_
Type: XMVECTOR& Don’t use; internal use only. r2   _In_
Type: FXMVECTOR Don’t use; internal use only. i2   _In_
Type: FXMVECTOR Don’t use; internal use only.
