RAD Studio VCL Reference
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Copies the data from one built-in System::Variant type to another.
Call VarDataCopyNoInd from the implementation of a TCustomVariantType descendant to clear the data from a destination System::Variant and then copy the TVarData record from another System::Variant. Unlike the VarDataCopy method, it can't handle data that is stored indirectly (when the VType field includes varByRef). However, it is often more efficient than VarDataCopy.
Dest is the TVarData record that receives the copy.
Source is the TVarData record to be copied.
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