public void FindDescendantsForNullParamTest()
{
// Act & Verify
Assert.ThrowsException <ArgumentException>(() =>
{
var descendants = VisualTreeHelperExtensions
.FindDescendants <Panel>(null)
.ToList();
});
}
/// <summary>
/// Plays the moving coin animation.
/// </summary>
public void PlayMovingCoinAnimation()
{
var rootGrid = VisualTreeHelperExtensions.FindDescendants <Grid>(this)
.FirstOrDefault(g => g.Name == "RootGrid");
if (rootGrid != null)
{
var animation = (Storyboard)rootGrid.Resources["movingCoinAnimation"];
animation.Begin();
}
}
public void FindDescendantsForOnlyParentElementTest()
{
// Arrange
var grid = new Grid();
// Act
var descendants = VisualTreeHelperExtensions
.FindDescendants <Panel>(grid)
.ToList();
// Verify
Assert.IsNotNull(descendants);
Assert.AreEqual(1, descendants.Count);
Assert.AreEqual(grid, descendants.First());
}
public void FindDescendantsTest()
{
// Arrange
var grid = new Grid();
var grid2 = new Grid();
grid.Children.Add(grid2);
// Act
var descendants = VisualTreeHelperExtensions
.FindDescendants <Panel>(grid)
.ToList();
// Verify
Assert.IsNotNull(descendants);
Assert.AreEqual(2, descendants.Count);
Assert.AreEqual(grid, descendants.First());
Assert.AreEqual(grid2, descendants.Skip(1).First());
}
