BCGSuite for MFC
void CBCGPGridRange::Set ( int  nLeft,
int  nTop,
int  nRight,
int  nBottom 

Sets the new range.

nLeftSpecifies the leftmost column of the range
nTopSpecifies the topmost row of the range.
nRightSpecifies the rightmost column of the range.
nBottomSpecifies the bottommost row of the range.

Call this function to set the range specified by left, top, right, bottom values. New range contains both specified grid items and all items between them.