VarSub function

Subtracts two variants.

Syntax


HRESULT VarSub(
  _In_   LPVARIANT pvarLeft,
  _In_   LPVARIANT pvarRight,
  _Out_  LPVARIANT pvarResult
);

Parameters

pvarLeft [in]

The first variant.

pvarRight [in]

The second variant.

pvarResult [out]

The result variant.

Return value

If this function succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.

Remarks

The function operates as follows.

ConditionResult
Both expressions are stringsSubtraction
One expression is a string and the other a characterSubtraction
One expression is numeric and the other a stringSubtraction
Both expressions are numericSubtraction
Either expression is nullNull
Both expressions are emptyEmpty string

 

Requirements

Header

OleAuto.h

Library

OleAut32.lib

DLL

OleAut32.dll

 

 

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