public string toDataURL()
{
var retval = new nsAString();
DOMHTMLElement.ToDataURL(null, null, retval);
return(retval.ToString());
}
public string toDataURL(string type)
{
using (nsAString retval = new nsAString(), param = new nsAString(type))
{
DOMHTMLElement.ToDataURL(param, null, 2, retval);
return(retval.ToString());
}
}
public string ToDataURL(string type)
{
using (var context = new AutoJSContext(GlobalJSContextHolder.BackstageJSContext))
using (nsAString retval = new nsAString(), param = new nsAString(type))
{
JsVal js = default(JsVal);
DOMHTMLElement.ToDataURL(param, ref js, context.ContextPointer, retval);
return(retval.ToString());
}
}
public string toDataURL(string type)
{
using (nsAString retval = new nsAString(), param = new nsAString(type))
{
var instance = Xpcom.CreateInstance <nsIVariant>(Contracts.Variant);
DOMHTMLElement.ToDataURL(param, instance, 2, retval);
Marshal.ReleaseComObject(instance);
return(retval.ToString());
}
}