Custom Pattern Fill - How to define a Vector Pattern?

I made a pattern in CorelDraw X5 using Text. Now I want to repeat the pattern  again & again to see how it looks in a all-over printed design?

In the Pattern Fill tool, I am not getting any option to define my pattern as a vector. However, if I can save it as Bitmap, then I can load it for pattern fill. This is what I dont want, as I want my pattern to be in Vector form so that I can outright edit them (e.g. In a series of blue pattern, I may color one repeat in Red).

Can any of the Corel Guys have any solution?