| public Add ( System.ComponentModel.EventDescriptor value ) : int | ||
| value | System.ComponentModel.EventDescriptor | |
| return | int | |
public static EventDescriptorCollection GetEvents
(Type componentType, Attribute[] attributes)
{
lock (typeof(TypeDescriptor))
{
TypeElement element = GetOrCreateElement(componentType);
if (element.events != null)
{
return(element.events);
}
EventDescriptorCollection coll;
coll = new EventDescriptorCollection(null);
foreach (EventInfo eventInfo in componentType.GetEvents())
{
coll.Add(new BuiltinEventDescriptor
(eventInfo, attributes));
}
element.events = coll;
return(coll);
}
}
private void AssertReadOnly (EventDescriptorCollection descriptors, string testCase)
{
MockEventDescriptor desc = new MockEventDescriptor (
"Date", "NOW");
try {
descriptors.Add (desc);
Assert.Fail (testCase + "#1");
} catch (NotSupportedException) {
// read-only collection cannot be modified
}
// ensure read-only check if performed before value is checked
try {
descriptors.Add (null);
Assert.Fail (testCase + "#2");
} catch (NotSupportedException) {
// read-only collection cannot be modified
}
try {
descriptors.Clear ();
Assert.Fail (testCase + "#3");
} catch (NotSupportedException) {
// read-only collection cannot be modified
}
try {
descriptors.Insert (0, desc);
Assert.Fail (testCase + "#4");
} catch (NotSupportedException) {
// read-only collection cannot be modified
}
// ensure read-only check if performed before value is checked
try {
descriptors.Insert (0, null);
Assert.Fail (testCase + "#5");
} catch (NotSupportedException) {
// read-only collection cannot be modified
}
try {
descriptors.Remove (desc);
Assert.Fail (testCase + "#6");
} catch (NotSupportedException) {
// read-only collection cannot be modified
}
// ensure read-only check if performed before value is checked
try {
descriptors.Remove (null);
Assert.Fail (testCase + "#7");
} catch (NotSupportedException) {
// read-only collection cannot be modified
}
try {
descriptors.RemoveAt (0);
Assert.Fail (testCase + "#8");
} catch (NotSupportedException) {
// read-only collection cannot be modified
}
IList list = (IList) descriptors;
Assert.IsTrue (((IList) descriptors).IsReadOnly, testCase + "#9");
#if NET_2_0
Assert.IsTrue (((IList) descriptors).IsFixedSize, testCase + "#10");
#else
Assert.IsFalse (((IList) descriptors).IsFixedSize, testCase + "#10");
#endif
try {
list.Add (desc);
Assert.Fail (testCase + "#11");
} catch (NotSupportedException) {
// read-only collection cannot be modified
}
// ensure read-only check if performed before value is checked
try {
list.Add (null);
Assert.Fail (testCase + "#12");
} catch (NotSupportedException) {
// read-only collection cannot be modified
}
try {
list.Clear ();
Assert.Fail (testCase + "#13");
} catch (NotSupportedException) {
// read-only collection cannot be modified
}
try {
list.Insert (0, desc);
Assert.Fail (testCase + "#14");
} catch (NotSupportedException) {
// read-only collection cannot be modified
}
// ensure read-only check if performed before value is checked
try {
list.Insert (0, null);
Assert.Fail (testCase + "#15");
} catch (NotSupportedException) {
// read-only collection cannot be modified
}
try {
list.Remove (desc);
Assert.Fail (testCase + "#16");
} catch (NotSupportedException) {
// read-only collection cannot be modified
}
// ensure read-only check if performed before value is checked
try {
list.Remove (null);
Assert.Fail (testCase + "#17");
} catch (NotSupportedException) {
// read-only collection cannot be modified
}
try {
list.RemoveAt (0);
Assert.Fail (testCase + "#18");
} catch (NotSupportedException) {
// read-only collection cannot be modified
}
try {
list[0] = desc;
Assert.Fail (testCase + "#19");
} catch (NotSupportedException) {
// read-only collection cannot be modified
}
// ensure read-only check if performed before value is checked
try {
list[0] = null;
Assert.Fail (testCase + "#20");
} catch (NotSupportedException) {
// read-only collection cannot be modified
}
}
public static EventDescriptorCollection GetEvents
(Type componentType, Attribute[] attributes)
{
lock(typeof(TypeDescriptor))
{
TypeElement element = GetOrCreateElement(componentType);
if(element.events != null)
{
return element.events;
}
EventDescriptorCollection coll;
coll = new EventDescriptorCollection(null);
foreach(EventInfo eventInfo in componentType.GetEvents())
{
coll.Add(new BuiltinEventDescriptor
(eventInfo, attributes));
}
element.events = coll;
return coll;
}
}
EventDescriptorCollection ITypeDescriptionProvider.GetEvents()
{
EventDescriptorCollection col1 = Provider.GetEvents();
EventDescriptorCollection col2 = BaseTypeDescriptor.GetEvents();
EventDescriptorCollection col = new EventDescriptorCollection(new EventDescriptor[0]);
foreach (EventDescriptor ed in col1)
col.Add(ed);
foreach (EventDescriptor ed in col2)
if (col.Find(ed.Name, false) == null)
col.Add(ed);
return col;
}
