Override Cast to enable other types of Variants to be cast to this ... As implemented in TCustomVariantType , Cast checks whether Source is ...
2 KB (171 words) - 00:31, 17 October 2011
Converts data in the format of this TCustomVariantType to the format ... Override CastTo to enable Variants of this custom type to be cast to ...
2 KB (151 words) - 00:39, 17 October 2011
Variants. ... Call VarDataCast from the implementation of a TCustomVariantType descendant to perform casts on the data from another Variant ...
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Variants. ... implementation of a TCustomVariantType descendant to perform casts to a TVarData record with Variant type code of varOleStr (Unicode string). ...
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Variants. ... Call VarDataCastTo from the implementation of a TCustomVariantType descendant to perform casts on the data from one Variant ...
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data types for Delphi Variants. TCustomVariantType descendants do not ... CompareOp or Compare , Cast , CastTo , Clear , Copy , IsClear , ...
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Variants. ... OlePromotion returns true if V can be cast to an Automation-compatible type, false if there is no type to which V can be cast. ...
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Variants. ... implementation of a TCustomVariantType descendant when an operation fails because a Variant value could not be cast to a necessary type. ...
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Variants. ... True if the TCustomVariantType descendant can perform the operation ... assuming the left-hand argument can be cast to RequiredVarType. ...
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Variants. ... true if the TCustomVariantType descendant can perform the operation ... assuming the right-hand argument can be cast to RequiredVarType. ...
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Variants. ... EVariantTypeCastError is raised when a variant operation fails because a value could not be cast to the destination variant type ...
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