Global application variable containing an instance of a TIdAntiFreezeBase descendant.
GAntiFreeze: TIdAntiFreezeBase = nil;
TIdAntiFreezeBase uses the global variable GAntiFreeze, declared in the TIdAntiFreezeBase unit, to determine if another instance of the class has already been created. Please note that only one instance of TIdAntiFreezeBase is allowed per application.
GAntiFreeze is initialized when the first TAntiFreezeBase component instance is used in the application.
GAntiFreeze is set to nil in the destructor of TAntiFreezeBase. Refer to TIdAntiFreezeBase.Destroy for more information.
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