| public RemoveHandler ( object key, System value ) : void | ||
| key | object | |
| value | System | |
| return | void | |
protected void RemoveClickEvent(Button b)
{
System.Reflection.FieldInfo f1 = typeof(Button).GetField("EventClick", System.Reflection.BindingFlags.Static | System.Reflection.BindingFlags.NonPublic);
object obj = f1.GetValue(b);
System.Reflection.PropertyInfo pi = typeof(Button).GetProperty("Events", System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Instance);
System.ComponentModel.EventHandlerList list = (System.ComponentModel.EventHandlerList)pi.GetValue(b, null);
list.RemoveHandler(obj, list[obj]);
}
public void All ()
{
EventHandlerList list = new EventHandlerList ();
string i1 = "i1";
string i2 = "i2";
EventHandler one = new EventHandler (Deleg1);
EventHandler two = new EventHandler (Deleg2);
EventHandler d;
Assertion.AssertEquals ("All #01", null, list [i1]);
Assertion.AssertEquals ("All #02", null, list [i2]);
list.AddHandler (i1, one);
d = list [i1] as EventHandler;
Assertion.Assert ("All #03", d != null);
d (this, EventArgs.Empty);
Assertion.AssertEquals ("All #04", 1, calls);
list.AddHandler (i2, two);
d = list [i1] as EventHandler;
Assertion.Assert ("All #05", d != null);
d (this, EventArgs.Empty);
Assertion.AssertEquals ("All #06", 2, calls);
d = list [i2] as EventHandler;
Assertion.Assert ("All #07", d != null);
d (this, EventArgs.Empty);
Assertion.AssertEquals ("All #08", 4, calls);
list.AddHandler (i2, two);
d = list [i2] as EventHandler;
Assertion.Assert ("All #08", d != null);
d (this, EventArgs.Empty);
Assertion.AssertEquals ("All #09", 16, calls);
list.RemoveHandler (i1, one);
d = list [i1] as EventHandler;
Assertion.Assert ("All #10", d == null);
list.RemoveHandler (i2, two);
d = list [i2] as EventHandler;
Assertion.Assert ("All #11", d != null);
list.RemoveHandler (i2, two);
d = list [i2] as EventHandler;
Assertion.Assert ("All #12", d == null);
list.AddHandler (i1, one);
d = list [i1] as EventHandler;
Assertion.Assert ("All #13", d != null);
list.AddHandler (i2, two);
d = list [i2] as EventHandler;
Assertion.Assert ("All #14", d != null);
list.AddHandler (i1, null);
Assertion.Assert ("All #15", list [i1] != null);
list.AddHandler (i2, null);
Assertion.Assert ("All #16", list [i2] != null);
list.Dispose ();
}
public void NullKey ()
{
EventHandlerList list = new EventHandlerList ();
EventHandler one = new EventHandler (Deleg1);
list.AddHandler (null, one);
EventHandler d = list [null] as EventHandler;
Assertion.Assert ("NullKey #01", d != null);
list.RemoveHandler (null, one);
d = list [null] as EventHandler;
Assertion.Assert ("NullKey #02", d == null);
}
public void All ()
{
EventHandlerList list = new EventHandlerList ();
string i1 = "i1";
string i2 = "i2";
EventHandler one = new EventHandler (Deleg1);
EventHandler two = new EventHandler (Deleg2);
EventHandler d;
Assert.IsNull (list [i1], "All #01");
Assert.IsNull (list [i2], "All #02");
list.AddHandler (i1, one);
d = list [i1] as EventHandler;
Assert.IsNotNull (d, "All #03");
d (this, EventArgs.Empty);
Assert.AreEqual (1, calls, "All #04");
list.AddHandler (i2, two);
d = list [i1] as EventHandler;
Assert.IsNotNull (d, "All #05");
d (this, EventArgs.Empty);
Assert.AreEqual (2, calls, "All #06");
d = list [i2] as EventHandler;
Assert.IsNotNull (d, "All #07");
d (this, EventArgs.Empty);
Assert.AreEqual (4, calls, "All #08");
list.AddHandler (i2, two);
d = list [i2] as EventHandler;
Assert.IsNotNull (d, "All #08");
d (this, EventArgs.Empty);
Assert.AreEqual (16, calls, "All #09");
list.RemoveHandler (i1, one);
d = list [i1] as EventHandler;
Assert.IsNull (d, "All #10");
list.RemoveHandler (i2, two);
d = list [i2] as EventHandler;
Assert.IsNotNull (d, "All #11");
list.RemoveHandler (i2, two);
d = list [i2] as EventHandler;
Assert.IsNull (d, "All #12");
list.AddHandler (i1, one);
d = list [i1] as EventHandler;
Assert.IsNotNull (d, "All #13");
list.AddHandler (i2, two);
d = list [i2] as EventHandler;
Assert.IsNotNull (d, "All #14");
list.AddHandler (i1, null);
Assert.IsNotNull (list [i1], "All #15");
list.AddHandler (i2, null);
Assert.IsNotNull (list [i2], "All #16");
list.Dispose ();
}
public void NullKey ()
{
EventHandlerList list = new EventHandlerList ();
EventHandler one = new EventHandler (Deleg1);
list.AddHandler (null, one);
EventHandler d = list [null] as EventHandler;
Assert.IsNotNull (d, "NullKey #01");
list.RemoveHandler (null, one);
d = list [null] as EventHandler;
Assert.IsNull (d, "NullKey #02");
}