def __init__(self,shape=1):
     VStruct.__init__(self)
     self.Ratio  = v_uint8()
     if shape <= 2:
         self.Color = RGB()
     else:
         self.Color = RGBA()

 def __init__(self):
     VStruct.__init__(self)
     self.msgsize    = v_uint16(bigend=True)
     self.msgtype    = v_uint16(bigend=True)
     self.pptpmagic  = v_uint32(bigend=True)
     self.ctrltype   = v_uint16(bigend=True)
     self.res0       = v_uint16(bigend=True)

 def __init__(self):
     VStruct.__init__(self)
     self.a = v_uint8()
     self.b = v_uint16()
     self.c = v_uint32()
     self.d = v_uint8()
     self.e = VArray((v_uint32(), v_uint32(), v_uint32(), v_uint32()))

 def __init__(self):
     VStruct.__init__(self)
     self.opcode = v_uint32(enum=PATCH_ACTIONS)
     self.action_size = v_uint32()  # size of entire structure
     self.pattern_size = v_uint32()  # size of pattern field
     self.rva = v_uint32()
     self.unknown = v_uint32()
     self.module_name = v_wstr(size=MAX_MODULE)
     self.pattern = v_bytes(size=0)

 def vsAddField(self, name, value):
     if not isinstance(value, v_bits):
         raise Exception('VBitField *must* use v_bits() kids!')
     return VStruct.vsAddField(self, name, value)

 def __init__(self):
     VStruct.__init__(self)