BCGControlBar Pro for MFC
CBCGPTreeMapGroup::CBCGPTreeMapGroup ( const CBCGPBrush brushFill,
LPCTSTR  lpszLabel = NULL,
const CBCGPColor colorText = CBCGPColor::White,
CBCGPTextFormat pTF = NULL,
DWORD_PTR  dwUserData = 0 

Constructs and initializes a tree map group object.

brushFillSpecifies the group fill brush.
lpszLabelSpecifies the group label.
colorTextSpecifies group text color.
pTFSpecifies text format.
dwUserDataSpecifies user-defined data associated with the group.