public void TestRemove()
{
DataGrid grid = new DataGrid();
GridTableStylesCollection sc = grid.TableStyles;
sc.CollectionChanged += new CollectionChangeEventHandler(OnCollectionEventHandler);
// Add single
DataGridTableStyle ts1 = new DataGridTableStyle();
ts1.MappingName = "Table1";
sc.Add(ts1);
DataGridTableStyle ts2 = new DataGridTableStyle();
ts2.MappingName = "Table2";
sc.Add(ts2);
DataGridTableStyle ts3 = new DataGridTableStyle();
ts3.MappingName = "Table3";
sc.Add(ts3);
ResetEventData();
sc.Remove(ts2);
Assert.AreEqual(true, eventhandled, "A1");
Assert.AreEqual(ts2, Element, "A2");
Assert.AreEqual(CollectionChangeAction.Remove, Action, "A3");
Assert.AreEqual(2, sc.Count, "A4");
ResetEventData();
sc.RemoveAt(0);
Assert.AreEqual(true, eventhandled, "A5");
Assert.AreEqual(ts1, Element, "A6");
Assert.AreEqual(CollectionChangeAction.Remove, Action, "A7");
Assert.AreEqual(1, sc.Count, "A8");
ResetEventData();
sc.Clear();
Assert.AreEqual(null, Element, "A9");
Assert.AreEqual(CollectionChangeAction.Refresh, Action, "A10");
}
// <Snippet1>
private void ClearAndAdd()
{
GridTableStylesCollection gts = dataGrid1.TableStyles;
gts.Clear();
}