BF Group Layout

BFV_GRIDGROUP_EQUALCOLS	Each column has the same width.
BFV_GRIDGROUP_EQUALROWS	Each row has the same height.
BFV_CMD_EQUALCOLUMNS	Columns have equal width.
BFV_BORDERGROUP_CHECKBOX	Checkbox in title of a border group.
BFV_BORDERGROUP_FOLD	Fold symbol in title of a border group. Deprecated.
BFV_BORDERGROUP_FOLD_OPEN	Opened fold symbol.
BFV_BORDERGROUP_FOLD2	Foldable group, but no switch gadget.
BFV_GRIDGROUP_ALLOW_WEIGHTS	Allow the user to move the weights.
BFV_GRIDGROUP_FORBID_MIRROR	Do not mirror the layout of the group.
BFV_DIALOG_REMOVEABLE	Dialog is removable.
BFV_DIALOG_BAR_VERT	Dialog has a vertical dialog bar.
BFV_DIALOG_NOBUTTONS	Dialog has no button bar.
BFV_LAYOUTGROUP_PALETTEOUTLINES	Layout group has palette outlines.
BFV_IGNORE_FOCUS	Group ignores focus.
BFV_TABGROUP_RELOADDIALOG	Private.
BFV_LAYOUTGROUP_NODROP	Prevents drag and drop onto a tab. Private.
BFV_LAYOUTGROUP_NODROP2	Prevents drag and drop between layout groups. Private.
BFx_NOEQUAL	Groups with BFV_GRIDGROUP_EQUALCOLS or BFV_GRIDGROUP_EQUALROWS flags can have their own maximum width.
BFH_FIXED	Fixed horizontal size.
BFV_FIXED	Fixed vertical size.