IHTMLElement2::getExpression Method

Retrieves the expression for the given property.

Syntax

HRESULT getExpression(
    BSTR sPropertyName,
    VARIANT *pExpression
);

Parameters

sPropertyName

String that specifies the name of the attribute to which pExpression will be added.

pExpression

Address of a VARIANT structure that returns a value representing the expression of the property.

Return Value

Returns S_OK if successful, or an error code otherwise.

Remarks

To remove an expression and replace the property value with the "system default" value, use the form elem.style.removeExpression("color").

To remove an expression and replace the value with a static value, use elem.style.removeExpression("color") followed by elem.style.color = "red".

To remove an expression and replace it with the current value (recalculated value) use temp = elem.style.color, next use elem.style.removeExpression("color"), and then elem.style.color = temp.