Name 

Description 

BooleanToStringRule 

Specifies rule fixing up Boolean values converted to strings. 

ChangeAnyProc 

Provides the support for changing the type of a Variant from varAny to a real Variant. 

ClearAnyProc 

Provides the support for clearing a Variant of type varAny. 

EmptyParam 

Contains an OleVariant that represents an unused optional parameter on a dual interface. 

NullAsStringValue 

Specifies string value of Null variants. 

NullEqualityRule 

Specifies rule for Null variant equality comparison. 

NullMagnitudeRule 

Specifies rule for Null variant magnitude comparison. 

NullStrictConvert 

Specifies whether Null conversion is an error. 

OleVariantInt64AsDouble 

Controls the mode in which Int64 values are stored in a OleVariant. 

PackVarCreation 

Specifies whether space-efficient System::Variant Types are preferred. 

RefAnyProc 

Provides the support for increasing the reference count of a Variant of type varAny. 

VarDispProc 

Provides the support for IDispatch-based Automation.