PFD_TYPE_RGBA =       0
PFD_TYPE_COLORINDEX = 1
PFD_MAIN_PLANE =      0
PFD_OVERLAY_PLANE =   1
PFD_UNDERLAY_PLANE =  (-1)
PFD_DOUBLEBUFFER =           0x00000001
PFD_STEREO =                 0x00000002
PFD_DRAW_TO_WINDOW =         0x00000004
PFD_DRAW_TO_BITMAP =         0x00000008
PFD_SUPPORT_GDI =            0x00000010
PFD_SUPPORT_OPENGL =         0x00000020
PFD_GENERIC_FORMAT =         0x00000040
PFD_NEED_PALETTE =           0x00000080
PFD_NEED_SYSTEM_PALETTE =    0x00000100
PFD_SWAP_EXCHANGE =          0x00000200
PFD_SWAP_COPY =              0x00000400
PFD_SWAP_LAYER_BUFFERS =     0x00000800
PFD_GENERIC_ACCELERATED =    0x00001000
PFD_DEPTH_DONTCARE =         0x20000000
PFD_DOUBLEBUFFER_DONTCARE =  0x40000000
PFD_STEREO_DONTCARE =        0x80000000