def WritePreamble(self, *args):
    '\n  WritePreamble(self: Freezable)\n\n   Verifies that the System.Windows.Freezable is not frozen and that it is being accessed from a \n\n    valid threading context. System.Windows.Freezable inheritors should call this method at the \n\n    beginning of any API that writes to data members that are not dependency properties.\n  '
    pass
WritePreamble(self: Freezable)

 Verifies that the System.Windows.Freezable is not frozen and that it is being accessed from a 

  valid threading context. System.Windows.Freezable inheritors should call this method at the 

  beginning of any API that writes to data members that are not dependency properties.
def WritePreamble(self, *args):
    '\n  WritePreamble(self: Freezable)\n\n   Verifies that the System.Windows.Freezable is not frozen and that it is being accessed from a \n\n    valid threading context. System.Windows.Freezable inheritors should call this method at the \n\n    beginning of any API that writes to data members that are not dependency properties.\n  '
    pass