protected override void OnChildAdded(
View child)
{
var dockPosition = DockRegionProperty.GetValue(child, DockRegion.CenterOverlay);
this.Renderer.AddChild(child.Renderer, dockPosition);
}
public void GetValueTest()
{
_uiElement.AttachedProperties[_attachedProperty] = _secondTestString;
Assert.AreEqual(_secondTestString, _attachedProperty.GetValue(_uiElement));
}
public void SetGetProperty()
{
"传入默认值的附加属性，对于不同的对象，不同类的不同对象，在没有设置属性时，返回相同的默认值".Test(() =>
{
// Arrange
var f1 = new F1();
var f2 = new F1();
var foo1 = new F2();
var defaultValue = new List <int>();
// Action
var attachedProperty = new AttachedProperty <List <int> >(defaultValue);
// Assert
Assert.AreSame(defaultValue, attachedProperty.GetValue(f1));
Assert.AreSame(defaultValue, attachedProperty.GetValue(f2));
Assert.AreSame(defaultValue, attachedProperty.GetValue(foo1));
});
"传入默认值，如果有设置对应属性，不返回默认值".Test(() =>
{
// Arrange
var f1 = new F1();
var defaultValue = new List <int>();
var attachedProperty = new AttachedProperty <List <int> >(defaultValue);
// Action
attachedProperty.SetValue(f1, new List <int>());
// Assert
Assert.AreNotSame(defaultValue, attachedProperty.GetValue(f1));
});
"传入默认值，如果没有设置对应属性，返回默认值".Test(() =>
{
// Arrange
var f1 = new F1();
var defaultValue = new List <int>();
// Action
var attachedProperty = new AttachedProperty <List <int> >(defaultValue);
// Assert
Assert.AreSame(defaultValue, attachedProperty.GetValue(f1));
});
"业务方可以私有化附加属性对象，此时支持仅在业务内部使用附加属性".Test(() =>
{
// Arrange
var f1 = new F1();
var foo1List = new List <int>();
var foo2List = new List <int>();
var foo1 = new F2();
var foo2 = new F2();
// Action
foo1.SetFoo(f1, foo1List);
foo2.SetFoo(f1, foo2List);
// Assert
Assert.AreSame(foo1List, foo1.GetFoo(f1));
Assert.AreSame(foo2List, foo2.GetFoo(f1));
});
"通过某个业务类的附加属性，可以设置或获取附加属性".Test(() =>
{
// Arrange
var obj = new object();
var fooList = new List <int>();
var age = 10;
// Action
F1.AttachedFooProperty.SetValue(obj, fooList);
F1.AgeProperty.SetValue(obj, age);
// Assert
Assert.AreSame(fooList, F1.AttachedFooProperty.GetValue(obj));
Assert.AreEqual(age, F1.AgeProperty.GetValue(obj));
});
"两个不同的业务，使用不相同的附加属性对象，设置和获取的属性值不相同".Test(() =>
{
// Arrange
var obj = new object();
var age1 = 1000;
var age2 = 200;
// Action
F1.AgeProperty.SetValue(obj, age1);
F2.AgeProperty.SetValue(obj, age2);
// Assert
Assert.AreEqual(age1, F1.AgeProperty.GetValue(obj));
Assert.AreEqual(age2, F2.AgeProperty.GetValue(obj));
});
}