RAD Studio VCL Reference
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TCustomVariantType.VarDataIsEmptyParam Method
TCustomVariantType Class | TCustomVariantType Members | Variants Namespace | Description | See Also
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Indicates whether a TVarData record represents an unassigned optional parameter.

Pascal
function VarDataIsEmptyParam(const V: TVarData): Boolean;
C++
__fastcall Boolean VarDataIsEmptyParam(const TVarData V);
Description

VarDataIsEmptyParam returns true if the given TVarData record represents an unassigned optional parameter. 

 

See Also
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