RAD Studio VCL Reference
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Clears the data from a built-in System::Variant type.
procedure VarDataClear(var Dest: TVarData);
__fastcall VarDataClear(TVarData Dest);
Call VarDataClear from the implementation of a TCustomVariantType descendant to clear the data in the TVarData record of a System::Variant. Do not use VarDataClear as the entire implementation of the Clear method, as this will lead to a circular reference.
Dest is the TVarData record of a System::Variant type, and returns the result after clearing the data.
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