/// <summary>
/// Constructor for the application window.
/// </summary>
public SampleApplicationForm()
{
InitializeComponent();
// Create a label.
Label listLabel = new Label();
listLabel.Location = new Point(20, 10);
listLabel.AutoSize = true;
listLabel.TabIndex = 0;
listLabel.Text = "&Contacts:";
this.Controls.Add(listLabel);
// Create an instance of the custom control.
customList = new CustomListControl();
customList.Name = "customList";
// Add it to the form's controls. Among other things, this makes it possible for
// UIAutomation to discover it, as it will become a child of the application window.
this.Controls.Add(customList);
// Set some properties.
customList.Location = new Point(20, 30);
// Text becomes the Name property for the custom control.
customList.Text = listLabel.Text;
customList.TabIndex = 0;
// Add list items.
customList.Add("Prakash", CustomControls.Availability.Online);
customList.Add("James", CustomControls.Availability.Online);
customList.Add("Lisa", CustomControls.Availability.Offline);
customList.Add("Kim", CustomControls.Availability.Online);
customList.Add("Bailey", CustomControls.Availability.Offline);
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="parent">The owning list.</param>
/// <param name="text">The text of the item.</param>
/// <param name="id">The unique identifier of the item within the list.</param>
/// <param name="availability">The status (online or offline) of the item.</param>
public CustomListItem(CustomListControl parent, string text, int id, Availability availability)
{
ItemIsAlive = true;
ItemOwnerList = parent;
ItemText = text;
ItemId = id;
ItemStatus = availability;
}
/// <summary>
/// Responds to a removal from the UI Automation tree structure
/// by raising an event.
/// </summary>
/// <param name="list">
/// The list from which the item was removed.
/// </param>
/// <remarks>
/// For the runtime Id of the list, pass 0 because the provider cannot know
/// what its actual runtime ID is.
/// </remarks>
public static void OnStructureChangeRemove(CustomListControl list)
{
if (AutomationInteropProvider.ClientsAreListening)
{
int[] fakeRuntimeId = { 0 };
StructureChangedEventArgs args =
new StructureChangedEventArgs(StructureChangeType.ChildrenBulkRemoved,
fakeRuntimeId);
AutomationInteropProvider.RaiseStructureChangedEvent(
(IRawElementProviderSimple)list.Provider, args);
}
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="control">
/// The control for which this object is providing UI Automation functionality.
/// </param>
public ListProvider(CustomListControl control)
{
OwnerListControl = control;
WindowHandle = control.Handle;
}
