VarSub Function
Returns the result from subtracting two variants.
HRESULT VarSub( LPVARIANT pvarLeft, LPVARIANT pvarRight, LPVARIANT pvarResult );
The function returns one of the following:
If | Then |
|---|---|
Both expressions are of the string type | Subtraction. |
One expression is a string type and the other a character | Subtraction. |
One expression is numeric and the other is a string | Subtraction. |
Both expressions are numeric | Subtraction. |
Either expression is NULL | NULL is returned. |
Both expressions are empty | Empty string is returned. |
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