/// <summary> /// True if the code is run in the designer, false otherwise /// </summary> public static bool IsInDesignMode() { if (_myDo == null) _myDo = new MyDependencyObject(); return DesignerProperties.GetIsInDesignMode(_myDo); }
public void When_Changed_By_Indexer() { var SUT = new DependencyObjectCollection(); SUT.DataContext = 42; var o1 = new MyDependencyObject(); o1.SetBinding(MyDependencyObject.MyPropertyProperty, new Binding()); var o2 = new MyDependencyObject(); o2.SetBinding(MyDependencyObject.MyPropertyProperty, new Binding()); Assert.AreEqual(0, o1.MyProperty); Assert.AreEqual(0, o1.MyProperty); SUT.Add(o1); Assert.AreEqual(42, o1.MyProperty); Assert.AreEqual(0, o2.MyProperty); SUT[0] = o2; Assert.AreEqual(0, o1.MyProperty); Assert.AreEqual(42, o2.MyProperty); }
public void When_DataContext_Changed_Multiple() { var SUT = new DependencyObjectCollection(); SUT.DataContext = 41; var o1 = new MyDependencyObject(); o1.SetBinding(MyDependencyObject.MyPropertyProperty, new Binding()); var o2 = new MyDependencyObject(); o2.SetBinding(MyDependencyObject.MyPropertyProperty, new Binding()); Assert.AreEqual(0, o1.MyProperty); Assert.AreEqual(0, o1.MyProperty); SUT.Add(o1); SUT.Add(o2); Assert.AreEqual(41, o1.MyProperty); Assert.AreEqual(41, o2.MyProperty); SUT.DataContext = 42; Assert.AreEqual(42, o1.MyProperty); Assert.AreEqual(42, o2.MyProperty); SUT.Clear(); Assert.AreEqual(0, o1.MyProperty); Assert.AreEqual(0, o2.MyProperty); }
public static Object Evaluate(Object container, Binding binding) { DependencyObject dummyDO = new MyDependencyObject(); BindingOperations.SetBinding(dummyDO, DummyProperty, binding); return(dummyDO.GetValue(DummyProperty)); }
/// <summary> /// True if the code is run in the designer, false otherwise /// </summary> public static bool IsInDesignMode() { if (_myDo == null) { _myDo = new MyDependencyObject(); } return(DesignerProperties.GetIsInDesignMode(_myDo)); }
static void Main() { var obj = new MyDependencyObject(); obj.ValueChanged += (sender, e) => { Console.WriteLine("value changed from {0} to {1}", e.OldValue, e.NewValue); }; obj.Value = 33; Console.WriteLine(obj.Maximum); obj.Value = 210; Console.WriteLine(obj.Value); object value = obj.GetValue(MyDependencyObject.ValueProperty); Console.WriteLine(value); }
public void When_Add_After_DataContext() { var SUT = new DependencyObjectCollection(); SUT.DataContext = 42; var o1 = new MyDependencyObject(); o1.SetBinding(MyDependencyObject.MyPropertyProperty, new Binding()); Assert.AreEqual(0, o1.MyProperty); SUT.Add(o1); Assert.AreEqual(42, o1.MyProperty); }
public static Object Evaluate(Object container, Binding binding) { DependencyObject dummyDO = new MyDependencyObject(); BindingOperations.SetBinding(dummyDO, DummyProperty, binding); return dummyDO.GetValue(DummyProperty); }