IHTMLStyle2::setExpression Method

Sets an expression for an element object.

Syntax

HRESULT setExpression(
    BSTR sPropertyName,
    BSTR sExpression,
    BSTR sLanguage
    );

Parameters

sPropertyName

Required. Name of the attribute to which sExpression will be added.

sExpression

Required. Any legal script. This string may include references to other properties on the current page. Array references are not allowed on object properties included in this script.

sLanguage

Required. This can be one of the following values:

JScript	Specifies the language as JScript (compatible with ECMA 262 language specification).
VBScript	Specifies the language as VBScript.
JavaScript	Specifies the language as JavaScript.

Return Value

Returns S_OK if successful, or an error value 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.

See Also

getExpression, removeExpression

Does this content meet your programming needs? Write us!

Back to top