What does rg mean in a member variable named m_rgNames?

I found the member variable name of m_rgNames in some source code. According to the naming convention, such as m_iNumber typed as int, rg c开发者_StackOverflow社区ould represent a type name. If this is case, what type did rg represent? Or else what's the meaning of rg in this variable name?

It stands for array or range. The author uses the Hungarian notation.

It's usually short for range, which means the variable is a list/array