[Description] Gets a pointer to the interface of the resolved visual to be used as the source for the brush. [Method] 
GetVisual
C l o n e
G e t V i s u a l
G e t V i s u a l L o c a l
G e t V i s u a l L o o k u p
S e t V i s u a l L o c a l
S e t V i s u a l L o o k u p