public void UseAutomationPeer()
{
Grid g = CreateGrid(2, 2, 100.0, 100.0);
GridSplitter splitter = CreateGridSplitterThroughCode(1, 1, 5.0, HorizontalAlignment.Left, null, false);
GridSplitterAutomationPeer peer = ((GridSplitterAutomationPeer)GridSplitterAutomationPeer.CreatePeerForElement(splitter));
ITransformProvider transformer = (ITransformProvider)peer.GetPattern(PatternInterface.Transform);
g.Children.Add(splitter);
this.CreateAsyncTest(g,
delegate
{
Assert.AreEqual(50.0, g.ColumnDefinitions[0].ActualWidth, "Definition1's default width.");
Assert.AreEqual(50.0, g.ColumnDefinitions[1].ActualWidth, "Definition2's default width.");
},
() => transformer.Move(10, 0),
delegate
{
Assert.AreEqual(AutomationControlType.Thumb, peer.GetAutomationControlType(), "GridSplitter should be a thumb control type.");
Assert.AreEqual(splitter.GetType().Name, peer.GetClassName(), "AutomationPeer's ClassName should be 'GridSplitter'");
Assert.AreEqual(transformer.CanMove, true, "GridSplitter can be moved");
Assert.AreEqual(transformer.CanResize, false, "GridSplitter cannot be resized");
Assert.AreEqual(transformer.CanRotate, false, "GridSplitter cannot be rotated");
Assert.AreEqual(60.0, g.ColumnDefinitions[0].ActualWidth, "Definition1's width should have been changed by the peer's move.");
Assert.AreEqual(40.0, g.ColumnDefinitions[1].ActualWidth, "Definition2's width should have been changed by the peer's move.");
});
}
