| Active | Selects all elements that are active. | 
| AtIndex | Convenience overload, shorthand for Build().AtIndex(). | 
| Build | Compiles the selection rules into a QueryState object. | 
| Checked | Selects all elements that are checked. | 
| Children | Selects all direct child elements of elements matching the previous rules. | 
| Class | Selects all elements with the given class. Not to be confused with Type (see OfType<>()). | 
| Descendents | Selects all elements that are descendants of currently matching ancestors. | 
| Enabled | Selects all elements that are enabled. | 
| First | Convenience overload, shorthand for Build().First(). | 
| Focused | Selects all elements that are enabled. | 
| ForEach | Convenience overload, shorthand for Build().ForEach(). | 
| Hovered | Selects all elements that are hovered. | 
| Last | Convenience overload, shorthand for Build().Last(). | 
| Name | Selects element with this name. | 
| NotActive | Selects all elements that are not active. | 
| NotChecked | Selects all elements that npot checked. | 
| NotEnabled | Selects all elements that are not enabled. | 
| NotFocused | Selects all elements that don't currently own the focus. | 
| NotHovered | Selects all elements that are not hovered. | 
| NotVisible | Selects all elements that are not visible. | 
| OfType | Selects all elements of the specified Type (eg: Label, Button, ScrollView, etc). | 
| ToList | Convenience method. shorthand for Build().ToList. | 
| Visible | Selects all elements that are visible. | 
| Where | Selects all elements satifying the predicate. |