HDS_CHECKBOXES Microsoft Windows Vista and Version 6.00. Allows the placing of checkboxes on header items. For more information, see the fmt member of HDITEM.HDF_CHECKBOX Microsoft Windows Vista and Version 6.00. The item displays a checkbox. The flag is only valid when the HDS_CHECKBOXES style is first set on the header control.
Microsoft Windows Vista and Version 6.00. Allows the placing of checkboxes on header items. For more information, see the fmt member of HDITEM.HDF_CHECKBOX
Microsoft Windows Vista and Version 6.00. The item displays a checkbox. The flag is only valid when the HDS_CHECKBOXES style is first set on the header control.