RAD Studio VCL Reference
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Indicates whether a TVarData record represents a numeric value.
function VarDataIsNumeric(const V: TVarData): Boolean;
__fastcall Boolean VarDataIsNumeric(const TVarData V);
VarDataIsNumeric returns true if the given TVarData record represents a numeric value of some sort. This can be either a floating-point value or an ordinal value. VarDataIsNumeric does not return true for data from Custom System::Variant types.
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