public void ITypeDescriptorContextTest()
{
PropertyGrid pg = new PropertyGrid();
var rootObj = new NestedObj0();
rootObj.Property1 = new NestedObj1();
rootObj.Property1.Property2 = new NestedObj2();
rootObj.Property1.Property2.Property3 = new NestedObj3();
pg.SelectedObject = rootObj;
GridItem gridItem_Property1 = pg.GetRootItem();
INestedObj ownerOf_Property1 = rootObj;
CheckGridItem(ownerOf_Property1, "Property1", gridItem_Property1);
GridItem gridItem_Property2 = gridItem_Property1.GridItems["Property2"];
INestedObj ownerOf_Property2 = rootObj.Property1;
CheckGridItem(ownerOf_Property2, "Property2", gridItem_Property2);
GridItem gridItem_Property3 = gridItem_Property2.GridItems["Property3"];
INestedObj ownerOf_Property3 = rootObj.Property1.Property2;
CheckGridItem(ownerOf_Property3, "Property3", gridItem_Property3);
}
public void CheckGridItem(INestedObj ownerObject, string propertyName, GridItem gridItem)
{
var context = gridItem as ITypeDescriptorContext;
Assert.NotNull(gridItem, "gridItem is null (propertyName={0})", propertyName);
Assert.NotNull(context, "gridItem is not ITypeDescriptorContext (propertyName={0})", propertyName);
Assert.AreEqual(gridItem.Label, propertyName);
Assert.AreSame(context.Instance, ownerObject);
Assert.AreEqual(context.PropertyDescriptor.PropertyType, ownerObject.PropertyAsINestedObj.GetType());
Assert.AreEqual(context.PropertyDescriptor.Name, propertyName);
}
