Gaocheng

Unexpected items were obtained in a subclass of ItemsControl

2

### Describe the bug I wrote a `RootDockControl` subclass of `ItemsControl`. But when I pass `DocumentDock` (its `VisibleDockables`) to it through binding, what it gets is `Document` (DocumentDock's `VisibleDockables`). ###...

Unexpected results when nesting binding to ItemsControl

3

### Describe the bug When I use nested models to bind and generate new ItemsControl subclass objects, it is like this: ``` ``` --> CustomItemsControl1(itemsControl) --ModelControl1(Control) --ModelControl1(Control) --CustomItemsControl1(itemsControl) ----ModelControl1(Control) --ModelControl1(Control)...

### Describe the bug I want to call `RegisterHotKey` to register global hotkeys for different windows, but when the hotkey IDs are the same, the registration fails. ### Steps to...