RAD Studio VCL Reference
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System.varStrArg Constant

Represents a Variant that has holds a COM compatible string value.

Pascal
varStrArg = $0048;
C++
varStrArg = 0x0048;

System

In order to use a Variant with a COM interface, you should create a varStrArg type using VarAsType.  

Use VarType to determine the variant type. 

 

TVarType 

VarAsType 

VarType

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