GParamSpecClass

dummy void*[3] dummy;
finalize void function(GParamSpec* pspec) finalize;: The instance finalization function (optional), should chain up to the finalize method of the parent class.
gTypeClass GTypeClass gTypeClass;: the parent class
valueIsValid bool function(GParamSpec* pspec, const(GValue)* value) valueIsValid;: Checks if contents of @value comply with the specifications set out by this type, without modifying the value. This vfunc is optional. If it isn't set, GObject will use @value_validate. Since 2.74
valueSetDefault void function(GParamSpec* pspec, GValue* value) valueSetDefault;: Resets a @value to the default value for this type (recommended, the default is gobject.value.Value.reset), see gobject.global.paramValueSetDefault.
valueType GType valueType;: the #GValue type for this parameter
valueValidate bool function(GParamSpec* pspec, GValue* value) valueValidate;: Ensures that the contents of @value comply with the specifications set out by this type (optional), see gobject.global.paramValueValidate.
valuesCmp int function(GParamSpec* pspec, const(GValue)* value1, const(GValue)* value2) valuesCmp;: Compares @value1 with @value2 according to this type (recommended, the default is memcmp()), see gobject.global.paramValuesCmp.