public void IndexOf_Value_ReturnsExpected()
{
var verb = new DesignerVerb("Text", null);
var collection = new DesignerVerbCollection {
verb
};
Assert.Equal(0, collection.IndexOf(verb));
Assert.Equal(-1, collection.IndexOf(new DesignerVerb("Text", null)));
Assert.Equal(-1, collection.IndexOf(null));
}
// DesignerVerbCollection
public void DesignerVerbCollectionExample()
{
//<Snippet1>
//<Snippet2>
// Creates an empty DesignerVerbCollection.
DesignerVerbCollection collection = new DesignerVerbCollection();
//</Snippet2>
//<Snippet3>
// Adds a DesignerVerb to the collection.
collection.Add(new DesignerVerb("Example designer verb", new EventHandler(this.ExampleEvent)));
//</Snippet3>
//<Snippet4>
// Adds an array of DesignerVerb objects to the collection.
DesignerVerb[] verbs = { new DesignerVerb("Example designer verb", new EventHandler(this.ExampleEvent)), new DesignerVerb("Example designer verb", new EventHandler(this.ExampleEvent)) };
collection.AddRange(verbs);
// Adds a collection of DesignerVerb objects to the collection.
DesignerVerbCollection verbsCollection = new DesignerVerbCollection();
verbsCollection.Add(new DesignerVerb("Example designer verb", new EventHandler(this.ExampleEvent)));
verbsCollection.Add(new DesignerVerb("Example designer verb", new EventHandler(this.ExampleEvent)));
collection.AddRange(verbsCollection);
//</Snippet4>
//<Snippet5>
// Tests for the presence of a DesignerVerb in the collection,
// and retrieves its index if it is found.
DesignerVerb testVerb = new DesignerVerb("Example designer verb", new EventHandler(this.ExampleEvent));
int itemIndex = -1;
if (collection.Contains(testVerb))
{
itemIndex = collection.IndexOf(testVerb);
}
//</Snippet5>
//<Snippet6>
// Copies the contents of the collection, beginning at index 0,
// to the specified DesignerVerb array.
// 'verbs' is a DesignerVerb array.
collection.CopyTo(verbs, 0);
//</Snippet6>
//<Snippet7>
// Retrieves the count of the items in the collection.
int collectionCount = collection.Count;
//</Snippet7>
//<Snippet8>
// Inserts a DesignerVerb at index 0 of the collection.
collection.Insert(0, new DesignerVerb("Example designer verb", new EventHandler(this.ExampleEvent)));
//</Snippet8>
//<Snippet9>
// Removes the specified DesignerVerb from the collection.
DesignerVerb verb = new DesignerVerb("Example designer verb", new EventHandler(this.ExampleEvent));
collection.Remove(verb);
//</Snippet9>
//<Snippet10>
// Removes the DesignerVerb at index 0.
collection.RemoveAt(0);
//</Snippet10>
//</Snippet1>
}
/// <summary>
/// Raises event to select the listed item in RadioPanel
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void OnSelectItem(object sender, System.EventArgs e)
{
radioPanel.SelectedIndex = verbs.IndexOf(((DesignerVerb)sender)) - 1;
}