/// <summary>
/// Creates a new test window instance with the child element type specified by the
/// type list selection.
/// </summary>
private void InstantiateSelectedType(object sender, EventArgs args)
{
if (typeList.Selection != null)
{
DemoElements selection = typeList.Selection.AssocMember;
var testElement = new TestWindowNode(selection);
demoRoot.Add(testElement);
instanceList.Add($"[#{instanceList.EntryList.Count}] {selection}", testElement);
// If selection is empty set selection to new element
if (instanceList.Selection == null)
{
instanceList.SetSelection(testElement);
}
}
}
/// <summary>
/// Removes the instance currently selected in the instance list when invoked.
/// </summary>
private void RemoveSelectedInstance(object sender, EventArgs args)
{
if (instanceList.Selection != null)
{
ListBoxEntry <TestWindowNode> selection = instanceList.Selection;
TestWindowNode testNode = selection.AssocMember;
var instanceCollection = instanceList.HudCollection;
int index = instanceCollection.FindIndex(x => x.AssocMember == testNode);
instanceList.RemoveAt(index);
testNode.Unregister();
// Attempt to select the previous member
if (index > 0)
{
index--;
}
if (instanceCollection.Count > 0)
{
instanceList.SetSelectionAt(index);
}
}
}
