RAD Studio VCL Reference
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System.varEmpty Constant

Represents a Variant that has not yet been assigned a value.

Pascal
varEmpty = $0000;
C++
varEmpty = 0x0000;

System

When a Variant is first created, it is set to the varEmpty type.  

Use VarType to determine the variant type. 

 

TVarType 

VarAsType 

VarIsEmpty 

VarType

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