public void AttachEvent()
{
HtmlObject ho = HtmlPage.Document.CreateElement("div");
EventHandler eh = new EventHandler(Handler);
Assert.IsTrue(ho.AttachEvent("a", eh), "1");
// twice (same handler)
Assert.IsTrue(ho.AttachEvent("a", eh), "2");
// again (different handler)
Assert.IsTrue(ho.AttachEvent("a", new EventHandler <HtmlEventArgs> (GenericHandler)), "3");
}
public void AttachEvent_Validations()
{
HtmlObject ho = HtmlPage.Document.CreateElement("div");
EventHandler eh = new EventHandler(Handler);
Assert.Throws <ArgumentNullException> (delegate {
ho.AttachEvent(null, eh);
}, "AttachEvent(null,EventHandler)");
Assert.Throws <ArgumentException> (delegate {
ho.AttachEvent(String.Empty, eh);
}, "AttachEvent(Empty,EventHandler)");
Assert.Throws <ArgumentNullException> (delegate {
ho.AttachEvent("a", (EventHandler)null);
}, "AttachEvent(string,null");
Assert.Throws <ArgumentException> (delegate {
ho.AttachEvent("a\0b", eh);
}, "AttachEvent(string-with-null,EventHandler");
EventHandler <HtmlEventArgs> geh = new EventHandler <HtmlEventArgs> (GenericHandler);
Assert.Throws <ArgumentNullException> (delegate {
ho.AttachEvent(null, geh);
}, "AttachEvent(null,EventHandler<HtmlEventArgs>)");
Assert.Throws <ArgumentException> (delegate {
ho.AttachEvent(String.Empty, geh);
}, "AttachEvent(Empty,EventHandler<HtmlEventArgs>)");
Assert.Throws <ArgumentNullException> (delegate {
ho.AttachEvent("a", (EventHandler <HtmlEventArgs>)null);
}, "AttachEvent(string,EventHandler<HtmlEventArgs>null)");
Assert.Throws <ArgumentException> (delegate {
ho.DetachEvent("a\0b", geh);
}, "AttachEvent(string-with-null,EventHandler<HtmlEventArgs>");
}
private void Add(EventHandler handler)
{
_object.AttachEvent(_name, handler);
}