public void Set_focus_on_empty_grid() { WpfTestHelper.WithWindow2(async w => { var grid = new DataGrid2(); w.Content = grid; await grid.WaitLoaded(); Assert.IsFalse(grid.IsKeyboardFocusWithin); var point = grid.PointToScreen(new Point(3, 3)); Mouse.MoveTo(new System.Drawing.Point((int)point.X, (int)point.Y)); Mouse.Click(MouseButton.Left); await w.WaitIdle(); Assert.IsTrue(grid.IsKeyboardFocusWithin); }); }