/// <summary>
/// Creates a new rule and adds them to the given style element.
/// </summary>
/// <param name="styleElement">The style element the new rule will be added to.</param>
/// <param name="ruleName">The name of the rule, including preceding signs (. for class, # for ID).</param>
/// <param name="rule">The rule content, e.g. "font-family: Verdana" (without quotes and braces).</param>
public StyleRule(StyleElement styleElement, string ruleName, string rule)
{
int insertedRule = ((Interop.IHTMLStyleElement)styleElement.GetBaseElement()).styleSheet.AddRule(ruleName, " ", 0);
// if succeeded, synchronize content
Interop.IHTMLStyleSheetRulesCollection rules = ((Interop.IHTMLStyleElement)styleElement.GetBaseElement()).styleSheet.GetRules() as Interop.IHTMLStyleSheetRulesCollection;
if (rules == null)
{
throw new ArgumentException("Cannot create style rule");
}
if (insertedRule >= 0)
{
styleRule = (Interop.IHTMLRuleStyle)rules.Item(insertedRule).GetStyle();
RuleName = ruleName;
}
else
{
for (int i = 0; i < rules.GetLength(); i++)
{
Interop.IHTMLStyleSheetRule rulestyle = rules.Item(i);
if (ruleName.Equals(rulestyle.GetSelectorText()))
{
styleRule = rulestyle.GetStyle();
styleRule.cssText = rule;
RuleName = ruleName;
break;
}
}
}
}
/////<overloads/>
///// <summary>
///// Creates a new rule and adds them to the given style element.
///// </summary>
//public StyleRule()
//{
//}
internal void InitializeRule(StyleElement styleElement, string ruleName, string rule)
{
((Interop.IHTMLStyleElement)styleElement.GetBaseElement()).styleSheet.AddRule(ruleName, rule, 0);
// if succeeded, synchronize content
Interop.IHTMLStyleSheetRulesCollection rules = ((Interop.IHTMLStyleElement)styleElement.GetBaseElement()).styleSheet.GetRules() as Interop.IHTMLStyleSheetRulesCollection;
if (rules != null)
{
styleRule = (Interop.IHTMLRuleStyle)rules.Item(0).GetStyle();
RuleName = ruleName;
}
}